diff --git a/MANIFEST.in b/MANIFEST.in
index 7a48c24..c9af280 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -7,9 +7,17 @@ include planarity/c/LICENSE.TXT
 include README.md
 include planarity/c/README
 
-include planarity/cplanarity.pxd
-include planarity/planarity.c
-include planarity/planarity.pyx
+include planarity/classic/cplanarity.pxd
+include planarity/classic/planarity.c
+include planarity/classic/planarity.pyx
+
+include planarity/full/cappconst.pxd
+include planarity/full/cg6IterationDefs.pxd
+include planarity/full/cgraphLib.pxd
+include planarity/full/graph.c
+include planarity/full/g6IterationUtils.c
+include planarity/full/graph.pyx
+include planarity/full/g6IterationUtils.pyx
 
 recursive-include examples *.py *.gz
 recursive-include doc *.py *.rst Makefile *.html *.txt
diff --git a/planarity/__init__.pxd b/planarity/__init__.pxd
new file mode 100644
index 0000000..e69de29
diff --git a/planarity/__init__.py b/planarity/__init__.py
index 1fa745b..0ea255a 100644
--- a/planarity/__init__.py
+++ b/planarity/__init__.py
@@ -1,7 +1,29 @@
-from .planarity import PGraph
-from .planarity_functions import *
-from .planarity_networkx import *
+from .classic.planarity import PGraph
+from .classic.planarity_functions import *
+from .classic.planarity_networkx import *
+
+from .full.g6IterationUtils import G6ReadIterator, G6WriteIterator
+from .full.graph import (
+    Graph,
+    OK,
+    NONEMBEDDABLE,
+    NOTOK,
+    NIL,
+    EMBEDFLAGS_PLANAR,
+    EMBEDFLAGS_DRAWPLANAR,
+    EMBEDFLAGS_OUTERPLANAR,
+    EMBEDFLAGS_SEARCHFORK23,
+    EMBEDFLAGS_SEARCHFORK33,
+    EMBEDFLAGS_SEARCHFORK4,
+)
+from .full.planarity_app_utils import (
+    PLANARITY_ALGORITHM_SPECIFIERS,
+    ENSURE_ARC_CAPACITY_SPECIFIERS,
+    attach_algorithm,
+    get_embed_flags,
+    max_num_edges_for_order,
+)
 
 # NOTE: In the future, we could automatically generate the version number by
 # configuring setuptools-scm, but presently this seems simpler.
-__version__ = "0.7.8"
+__version__ = "0.7.10"
diff --git a/planarity/classic/__init__.pxd b/planarity/classic/__init__.pxd
new file mode 100644
index 0000000..e69de29
diff --git a/planarity/classic/__init__.py b/planarity/classic/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/planarity/cplanarity.pxd b/planarity/classic/cplanarity.pxd
similarity index 79%
rename from planarity/cplanarity.pxd
rename to planarity/classic/cplanarity.pxd
index 25097e4..6b59c1b 100644
--- a/planarity/cplanarity.pxd
+++ b/planarity/classic/cplanarity.pxd
@@ -1,5 +1,5 @@
-"""Interface for Boyer's (C) planarity algorithms."""
-cdef extern from "c/graphLib/graphStructures.h":
+"""Interface for Boyer's (c) planarity algorithms."""
+cdef extern from "../c/graphLib/graphStructures.h":
     ctypedef struct baseGraphStructure:
         pass
     ctypedef baseGraphStructure * graphP
@@ -18,13 +18,13 @@ cdef extern from "c/graphLib/graphStructures.h":
     cdef int gp_GetNextArc(graphP theGraph, int v)
     cdef int gp_GetDirection(graphP theGraph, int v)
 
-cdef extern from "c/graphLib/lowLevelUtils/appconst.h":
+cdef extern from "../c/graphLib/lowLevelUtils/appconst.h":
     cdef int OK, NOTOK, NULL 
 
-cdef extern from "c/graphLib/graph.h":
+cdef extern from "../c/graphLib/graph.h":
     cdef int WRITE_ADJLIST
 
-cdef extern from "c/graphLib/graphStructures.h":
+cdef extern from "../c/graphLib/graphStructures.h":
     cdef int EMBEDFLAGS_PLANAR, NONEMBEDDABLE, EMBEDFLAGS_DRAWPLANAR
     cdef int EDGEFLAG_DIRECTION_INONLY, EDGEFLAG_DIRECTION_OUTONLY  
 
@@ -37,12 +37,12 @@ cdef extern from "c/graphLib/graphStructures.h":
     cdef void gp_SortVertices(graphP theGraph)
 
 
-cdef extern from "c/graphLib/planarityRelated/graphDrawPlanar.h":
+cdef extern from "../c/graphLib/planarityRelated/graphDrawPlanar.h":
     cdef int gp_DrawPlanar_RenderToString(graphP theEmbedding, char **pRenditionString);
     cdef int gp_AttachDrawPlanar(graphP theGraph)
 
 
-cdef extern from "c/graphLib/planarityRelated/graphDrawPlanar.private.h":
+cdef extern from "../c/graphLib/planarityRelated/graphDrawPlanar.private.h":
     ctypedef struct DrawPlanar_VertexInfo:
        int pos
        int start
@@ -59,6 +59,6 @@ cdef extern from "c/graphLib/planarityRelated/graphDrawPlanar.private.h":
         DrawPlanar_EdgeRecP E
         DrawPlanar_VertexInfoP VI
 
-cdef extern from "c/graphLib/extensionSystem/graphExtensions.h":
+cdef extern from "../c/graphLib/extensionSystem/graphExtensions.h":
     cdef void * gp_GetExtension(graphP theGraph, int moduleID)
     cdef int gp_FindExtension(graphP theGraph, int moduleID, void *pContext)
diff --git a/planarity/planarity.c b/planarity/classic/planarity.c
similarity index 89%
rename from planarity/planarity.c
rename to planarity/classic/planarity.c
index fc26e03..c5fbb3c 100644
--- a/planarity/planarity.c
+++ b/planarity/classic/planarity.c
@@ -7,9 +7,9 @@
         "include_dirs": [
             "planarity/c/graphLib"
         ],
-        "name": "planarity.planarity",
+        "name": "planarity.classic.planarity",
         "sources": [
-            "planarity/planarity.pyx",
+            "planarity/classic/planarity.pyx",
             "planarity/c/graphLib/graphDFSUtils.c",
             "planarity/c/graphLib/graphUtils.c",
             "planarity/c/graphLib/io/g6-api-utilities.c",
@@ -37,7 +37,7 @@
             "planarity/c/graphLib/lowLevelUtils/listcoll.c"
         ]
     },
-    "module_name": "planarity.planarity"
+    "module_name": "planarity.classic.planarity"
 }
 END: Cython Metadata */
 
@@ -1155,17 +1155,17 @@ static int __Pyx_init_co_variables(void) {
   #endif
 #endif
 
-#define __PYX_HAVE__planarity__planarity
-#define __PYX_HAVE_API__planarity__planarity
+#define __PYX_HAVE__planarity__classic__planarity
+#define __PYX_HAVE_API__planarity__classic__planarity
 /* Early includes */
-#include "c/graphLib/graphStructures.h"
-#include "c/graphLib/lowLevelUtils/appconst.h"
-#include "c/graphLib/graph.h"
-#include "c/graphLib/planarityRelated/graphDrawPlanar.h"
-#include "c/graphLib/planarityRelated/graphDrawPlanar.private.h"
-#include "c/graphLib/extensionSystem/graphExtensions.h"
 #include <string.h>
 #include <stdlib.h>
+#include "../c/graphLib/graphStructures.h"
+#include "../c/graphLib/lowLevelUtils/appconst.h"
+#include "../c/graphLib/graph.h"
+#include "../c/graphLib/planarityRelated/graphDrawPlanar.h"
+#include "../c/graphLib/planarityRelated/graphDrawPlanar.private.h"
+#include "../c/graphLib/extensionSystem/graphExtensions.h"
 #ifdef _OPENMP
 #include <omp.h>
 #endif /* _OPENMP */
@@ -1382,7 +1382,7 @@ static const char *__pyx_filename;
 /* #### Code section: filename_table ### */
 
 static const char* const __pyx_f[] = {
-  "planarity/planarity.pyx",
+  "planarity/classic/planarity.pyx",
   "<stringsource>",
 };
 /* #### Code section: utility_code_proto_before_types ### */
@@ -1560,16 +1560,16 @@ static const char* const __pyx_f[] = {
 /* #### Code section: type_declarations ### */
 
 /*--- Type declarations ---*/
-struct __pyx_obj_9planarity_9planarity_PGraph;
+struct __pyx_obj_9planarity_7classic_9planarity_PGraph;
 
-/* "planarity/planarity.pyx":10
- * import warnings
+/* "planarity/classic/planarity.pyx":12
+ * 
  * 
  * cdef class PGraph:             # <<<<<<<<<<<<<<
  *     cdef cplanarity.graphP theGraph
  *     cdef dict nodemap
 */
-struct __pyx_obj_9planarity_9planarity_PGraph {
+struct __pyx_obj_9planarity_7classic_9planarity_PGraph {
   PyObject_HEAD
   graphP theGraph;
   PyObject *nodemap;
@@ -2518,41 +2518,41 @@ static int __Pyx_State_RemoveModule(void*);
 #define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
 
 
-/* Module declarations from "planarity" */
-
-/* Module declarations from "planarity.cplanarity" */
-
 /* Module declarations from "libc.string" */
 
 /* Module declarations from "libc.stdlib" */
 
-/* Module declarations from "planarity.planarity" */
+/* Module declarations from "planarity.classic" */
+
+/* Module declarations from "planarity.classic.cplanarity" */
+
+/* Module declarations from "planarity.classic.planarity" */
 /* #### Code section: typeinfo ### */
 /* #### Code section: before_global_var ### */
-#define __Pyx_MODULE_NAME "planarity.planarity"
-extern int __pyx_module_is_main_planarity__planarity;
-int __pyx_module_is_main_planarity__planarity = 0;
+#define __Pyx_MODULE_NAME "planarity.classic.planarity"
+extern int __pyx_module_is_main_planarity__classic__planarity;
+int __pyx_module_is_main_planarity__classic__planarity = 0;
 
-/* Implementation of "planarity.planarity" */
+/* Implementation of "planarity.classic.planarity" */
 /* #### Code section: global_var ### */
 static PyObject *__pyx_builtin_zip;
 /* #### Code section: string_decls ### */
-static const char __pyx_k_Wrapper_for_Boyer_s_C_planarity[] = "\nWrapper for Boyer's (C) planarity algorithms.\n";
+static const char __pyx_k_Wrapper_for_Boyer_s_c_planarity[] = "\nWrapper for Boyer's (c) planarity algorithms.\n";
 /* #### Code section: decls ### */
-static int __pyx_pf_9planarity_9planarity_6PGraph___init__(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_graph); /* proto */
-static void __pyx_pf_9planarity_9planarity_6PGraph_2__dealloc__(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_4embed_planar(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_8is_planar(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_10kuratowski_edges(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_16ascii(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_18write(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_path); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_20mapping(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_22__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_24__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
-static PyObject *__pyx_tp_new_9planarity_9planarity_PGraph(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static int __pyx_pf_9planarity_7classic_9planarity_6PGraph___init__(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_graph); /* proto */
+static void __pyx_pf_9planarity_7classic_9planarity_6PGraph_2__dealloc__(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_4embed_planar(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_6embed_drawplanar(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_8is_planar(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_10kuratowski_edges(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_12nodes(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_14edges(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_16ascii(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_18write(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_path); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_20mapping(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_22__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_tp_new_9planarity_7classic_9planarity_PGraph(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 /* #### Code section: late_includes ### */
 /* #### Code section: module_state ### */
 /* SmallCodeConfig */
@@ -2573,8 +2573,8 @@ typedef struct {
   PyObject *__pyx_empty_tuple;
   PyObject *__pyx_empty_bytes;
   PyObject *__pyx_empty_unicode;
-  PyObject *__pyx_type_9planarity_9planarity_PGraph;
-  PyTypeObject *__pyx_ptype_9planarity_9planarity_PGraph;
+  PyObject *__pyx_type_9planarity_7classic_9planarity_PGraph;
+  PyTypeObject *__pyx_ptype_9planarity_7classic_9planarity_PGraph;
   __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_items;
   __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_pop;
   __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_values;
@@ -2631,11 +2631,11 @@ static __pyx_mstatetype * const __pyx_mstate_global = &__pyx_mstate_global_stati
 #define __pyx_kp_u_ignoring_parallel_edge __pyx_string_tab[6]
 #define __pyx_kp_u_isenabled __pyx_string_tab[7]
 #define __pyx_kp_u_planarity_Unknown_error __pyx_string_tab[8]
-#define __pyx_kp_u_planarity_failed_adding_edge __pyx_string_tab[9]
-#define __pyx_kp_u_planarity_failed_attaching_drawp __pyx_string_tab[10]
-#define __pyx_kp_u_planarity_failed_to_initialize_g __pyx_string_tab[11]
-#define __pyx_kp_u_planarity_graph_not_planar __pyx_string_tab[12]
-#define __pyx_kp_u_planarity_planarity_pyx __pyx_string_tab[13]
+#define __pyx_kp_u_planarity_classic_planarity_pyx __pyx_string_tab[9]
+#define __pyx_kp_u_planarity_failed_adding_edge __pyx_string_tab[10]
+#define __pyx_kp_u_planarity_failed_attaching_drawp __pyx_string_tab[11]
+#define __pyx_kp_u_planarity_failed_to_initialize_g __pyx_string_tab[12]
+#define __pyx_kp_u_planarity_graph_not_planar __pyx_string_tab[13]
 #define __pyx_kp_u_self_theGraph_cannot_be_converte __pyx_string_tab[14]
 #define __pyx_kp_u_stringsource __pyx_string_tab[15]
 #define __pyx_n_u_DRAWPLANAR_ID __pyx_string_tab[16]
@@ -2685,7 +2685,7 @@ static __pyx_mstatetype * const __pyx_mstate_global = &__pyx_mstate_global_stati
 #define __pyx_n_u_nbr __pyx_string_tab[60]
 #define __pyx_n_u_nodes __pyx_string_tab[61]
 #define __pyx_n_u_path __pyx_string_tab[62]
-#define __pyx_n_u_planarity_planarity __pyx_string_tab[63]
+#define __pyx_n_u_planarity_classic_planarity __pyx_string_tab[63]
 #define __pyx_n_u_pop __pyx_string_tab[64]
 #define __pyx_n_u_pos __pyx_string_tab[65]
 #define __pyx_n_u_py_bytes __pyx_string_tab[66]
@@ -2735,8 +2735,8 @@ static CYTHON_SMALL_CODE int __pyx_m_clear(PyObject *m) {
   #if CYTHON_PEP489_MULTI_PHASE_INIT
   __Pyx_State_RemoveModule(NULL);
   #endif
-  Py_CLEAR(clear_module_state->__pyx_ptype_9planarity_9planarity_PGraph);
-  Py_CLEAR(clear_module_state->__pyx_type_9planarity_9planarity_PGraph);
+  Py_CLEAR(clear_module_state->__pyx_ptype_9planarity_7classic_9planarity_PGraph);
+  Py_CLEAR(clear_module_state->__pyx_type_9planarity_7classic_9planarity_PGraph);
   for (int i=0; i<1; ++i) { Py_CLEAR(clear_module_state->__pyx_tuple[i]); }
   for (int i=0; i<11; ++i) { Py_CLEAR(clear_module_state->__pyx_codeobj_tab[i]); }
   for (int i=0; i<98; ++i) { Py_CLEAR(clear_module_state->__pyx_string_tab[i]); }
@@ -2763,8 +2763,8 @@ static CYTHON_SMALL_CODE int __pyx_m_traverse(PyObject *m, visitproc visit, void
   __Pyx_VISIT_CONST(traverse_module_state->__pyx_empty_tuple);
   __Pyx_VISIT_CONST(traverse_module_state->__pyx_empty_bytes);
   __Pyx_VISIT_CONST(traverse_module_state->__pyx_empty_unicode);
-  Py_VISIT(traverse_module_state->__pyx_ptype_9planarity_9planarity_PGraph);
-  Py_VISIT(traverse_module_state->__pyx_type_9planarity_9planarity_PGraph);
+  Py_VISIT(traverse_module_state->__pyx_ptype_9planarity_7classic_9planarity_PGraph);
+  Py_VISIT(traverse_module_state->__pyx_type_9planarity_7classic_9planarity_PGraph);
   for (int i=0; i<1; ++i) { __Pyx_VISIT_CONST(traverse_module_state->__pyx_tuple[i]); }
   for (int i=0; i<11; ++i) { __Pyx_VISIT_CONST(traverse_module_state->__pyx_codeobj_tab[i]); }
   for (int i=0; i<98; ++i) { __Pyx_VISIT_CONST(traverse_module_state->__pyx_string_tab[i]); }
@@ -2782,7 +2782,7 @@ return 0;
 #endif
 /* #### Code section: module_code ### */
 
-/* "planarity/planarity.pyx":15
+/* "planarity/classic/planarity.pyx":17
  *     cdef dict reverse_nodemap
  *     cdef int embedding
  *     def __init__(self,graph):             # <<<<<<<<<<<<<<
@@ -2791,8 +2791,8 @@ return 0;
 */
 
 /* Python wrapper */
-static int __pyx_pw_9planarity_9planarity_6PGraph_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_9planarity_9planarity_6PGraph_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_9planarity_7classic_9planarity_6PGraph_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_9planarity_7classic_9planarity_6PGraph_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_graph = 0;
   CYTHON_UNUSED Py_ssize_t __pyx_nargs;
   CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
@@ -2812,43 +2812,43 @@ static int __pyx_pw_9planarity_9planarity_6PGraph_1__init__(PyObject *__pyx_v_se
   {
     PyObject ** const __pyx_pyargnames[] = {&__pyx_mstate_global->__pyx_n_u_graph,0};
     const Py_ssize_t __pyx_kwds_len = (__pyx_kwds) ? __Pyx_NumKwargs_VARARGS(__pyx_kwds) : 0;
-    if (unlikely(__pyx_kwds_len) < 0) __PYX_ERR(0, 15, __pyx_L3_error)
+    if (unlikely(__pyx_kwds_len) < 0) __PYX_ERR(0, 17, __pyx_L3_error)
     if (__pyx_kwds_len > 0) {
       switch (__pyx_nargs) {
         case  1:
         values[0] = __Pyx_ArgRef_VARARGS(__pyx_args, 0);
-        if (!CYTHON_ASSUME_SAFE_MACROS && unlikely(!values[0])) __PYX_ERR(0, 15, __pyx_L3_error)
+        if (!CYTHON_ASSUME_SAFE_MACROS && unlikely(!values[0])) __PYX_ERR(0, 17, __pyx_L3_error)
         CYTHON_FALLTHROUGH;
         case  0: break;
         default: goto __pyx_L5_argtuple_error;
       }
       const Py_ssize_t kwd_pos_args = __pyx_nargs;
-      if (__Pyx_ParseKeywords(__pyx_kwds, __pyx_kwvalues, __pyx_pyargnames, 0, values, kwd_pos_args, __pyx_kwds_len, "__init__", 0) < (0)) __PYX_ERR(0, 15, __pyx_L3_error)
+      if (__Pyx_ParseKeywords(__pyx_kwds, __pyx_kwvalues, __pyx_pyargnames, 0, values, kwd_pos_args, __pyx_kwds_len, "__init__", 0) < (0)) __PYX_ERR(0, 17, __pyx_L3_error)
       for (Py_ssize_t i = __pyx_nargs; i < 1; i++) {
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-        if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 29, __pyx_L1_error)
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-      /* "planarity/planarity.pyx":30
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+      __pyx_t_15 = PySet_Add(__pyx_v_seen, __pyx_v_node); if (unlikely(__pyx_t_15 == ((int)-1))) __PYX_ERR(0, 32, __pyx_L1_error)
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-    /* "planarity/planarity.pyx":21
+    /* "planarity/classic/planarity.pyx":23
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-  /* "planarity/planarity.pyx":33
+  /* "planarity/classic/planarity.pyx":35
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@@ -3215,7 +3215,7 @@ static int __pyx_pf_9planarity_9planarity_6PGraph___init__(struct __pyx_obj_9pla
       __Pyx_XGOTREF(__pyx_t_18);
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-        /* "planarity/planarity.pyx":34
+        /* "planarity/classic/planarity.pyx":36
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 */
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-          __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 34, __pyx_L22_error)
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+            __pyx_t_6 = -1; __pyx_t_8 = PyObject_GetIter(__pyx_v_graph); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 36, __pyx_L22_error)
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@@ -3240,7 +3240,7 @@ static int __pyx_pf_9planarity_9planarity_6PGraph___init__(struct __pyx_obj_9pla
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                   #if !CYTHON_ASSUME_SAFE_SIZE
-                  if (unlikely((__pyx_temp < 0))) __PYX_ERR(0, 34, __pyx_L22_error)
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@@ -3250,7 +3250,7 @@ static int __pyx_pf_9planarity_9planarity_6PGraph___init__(struct __pyx_obj_9pla
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-              if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 34, __pyx_L22_error)
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@@ -3291,7 +3291,7 @@ static int __pyx_pf_9planarity_9planarity_6PGraph___init__(struct __pyx_obj_9pla
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-        __pyx_t_8 = PySet_New(__pyx_t_2); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 34, __pyx_L14_error)
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-        /* "planarity/planarity.pyx":33
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-      /* "planarity/planarity.pyx":35
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+        __Pyx_AddTraceback("planarity.classic.planarity.PGraph.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-        /* "planarity/planarity.pyx":36
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-      /* "planarity/planarity.pyx":33
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-  /* "planarity/planarity.pyx":39
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-static void __pyx_pf_9planarity_9planarity_6PGraph_2__dealloc__(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self) {
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-    /* "planarity/planarity.pyx":70
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 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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 #if CYTHON_METH_FASTCALL
 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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@@ -4211,7 +4211,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct
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-    /* "planarity/planarity.pyx":76
+    /* "planarity/classic/planarity.pyx":78
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@@ -4224,14 +4224,14 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct
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@@ -4240,7 +4240,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct
 */
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-  /* "planarity/planarity.pyx":77
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 */
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-  /* "planarity/planarity.pyx":79
+  /* "planarity/classic/planarity.pyx":81
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-    /* "planarity/planarity.pyx":80
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  *             raise RuntimeError("planarity: graph not planar.")             # <<<<<<<<<<<<<<
@@ -4272,14 +4272,14 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct
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@@ -4288,7 +4288,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_6embed_drawplanar(struct
 */
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-  /* "planarity/planarity.pyx":81
+  /* "planarity/classic/planarity.pyx":83
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 */
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-  /* "planarity/planarity.pyx":73
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-/* "planarity/planarity.pyx":84
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 */
 
 /* Python wrapper */
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-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_8is_planar(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self) {
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-    /* "planarity/planarity.pyx":87
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 */
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-static PyObject *__pyx_pw_9planarity_9planarity_6PGraph_11kuratowski_edges(PyObject *__pyx_v_self, 
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 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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-      /* "planarity/planarity.pyx":113
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@@ -4986,7 +4986,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj
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-    /* "planarity/planarity.pyx":121
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-  /* "planarity/planarity.pyx":122
+  /* "planarity/classic/planarity.pyx":124
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@@ -5021,7 +5021,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj
   __pyx_r = __pyx_v_nodes;
   goto __pyx_L0;
 
-  /* "planarity/planarity.pyx":101
+  /* "planarity/classic/planarity.pyx":103
  * 
  * 
  *     def nodes(self,data=False):             # <<<<<<<<<<<<<<
@@ -5037,7 +5037,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj
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   __Pyx_XDECREF(__pyx_t_11);
-  __Pyx_AddTraceback("planarity.planarity.PGraph.nodes", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("planarity.classic.planarity.PGraph.nodes", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
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@@ -5048,7 +5048,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj
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 }
 
-/* "planarity/planarity.pyx":125
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  * 
  *     def edges(self,data=False):             # <<<<<<<<<<<<<<
@@ -5057,16 +5057,16 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_12nodes(struct __pyx_obj
 */
 
 /* Python wrapper */
-static PyObject *__pyx_pw_9planarity_9planarity_6PGraph_15edges(PyObject *__pyx_v_self, 
+static PyObject *__pyx_pw_9planarity_7classic_9planarity_6PGraph_15edges(PyObject *__pyx_v_self, 
 #if CYTHON_METH_FASTCALL
 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
 #else
 PyObject *__pyx_args, PyObject *__pyx_kwds
 #endif
 ); /*proto*/
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-static PyObject *__pyx_pw_9planarity_9planarity_6PGraph_15edges(PyObject *__pyx_v_self, 
+PyDoc_STRVAR(__pyx_doc_9planarity_7classic_9planarity_6PGraph_14edges, "PGraph.edges(self, data=False)");
+static PyMethodDef __pyx_mdef_9planarity_7classic_9planarity_6PGraph_15edges = {"edges", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_15edges, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_14edges};
+static PyObject *__pyx_pw_9planarity_7classic_9planarity_6PGraph_15edges(PyObject *__pyx_v_self, 
 #if CYTHON_METH_FASTCALL
 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
 #else
@@ -5096,24 +5096,24 @@ PyObject *__pyx_args, PyObject *__pyx_kwds
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     const Py_ssize_t __pyx_kwds_len = (__pyx_kwds) ? __Pyx_NumKwargs_FASTCALL(__pyx_kwds) : 0;
-    if (unlikely(__pyx_kwds_len) < 0) __PYX_ERR(0, 125, __pyx_L3_error)
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     if (__pyx_kwds_len > 0) {
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-      if (__Pyx_ParseKeywords(__pyx_kwds, __pyx_kwvalues, __pyx_pyargnames, 0, values, kwd_pos_args, __pyx_kwds_len, "edges", 0) < (0)) __PYX_ERR(0, 125, __pyx_L3_error)
+      if (__Pyx_ParseKeywords(__pyx_kwds, __pyx_kwvalues, __pyx_pyargnames, 0, values, kwd_pos_args, __pyx_kwds_len, "edges", 0) < (0)) __PYX_ERR(0, 127, __pyx_L3_error)
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     } else {
       switch (__pyx_nargs) {
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         values[0] = __Pyx_ArgRef_FASTCALL(__pyx_args, 0);
-        if (!CYTHON_ASSUME_SAFE_MACROS && unlikely(!values[0])) __PYX_ERR(0, 125, __pyx_L3_error)
+        if (!CYTHON_ASSUME_SAFE_MACROS && unlikely(!values[0])) __PYX_ERR(0, 127, __pyx_L3_error)
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         case  0: break;
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@@ -5124,18 +5124,18 @@ PyObject *__pyx_args, PyObject *__pyx_kwds
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   goto __pyx_L6_skip;
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-  __Pyx_RaiseArgtupleInvalid("edges", 0, 0, 1, __pyx_nargs); __PYX_ERR(0, 125, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("edges", 0, 0, 1, __pyx_nargs); __PYX_ERR(0, 127, __pyx_L3_error)
   __pyx_L6_skip:;
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   }
-  __Pyx_AddTraceback("planarity.planarity.PGraph.edges", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("planarity.classic.planarity.PGraph.edges", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return NULL;
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-  __pyx_r = __pyx_pf_9planarity_9planarity_6PGraph_14edges(((struct __pyx_obj_9planarity_9planarity_PGraph *)__pyx_v_self), __pyx_v_data);
+  __pyx_r = __pyx_pf_9planarity_7classic_9planarity_6PGraph_14edges(((struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)__pyx_v_self), __pyx_v_data);
 
   /* function exit code */
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@@ -5145,7 +5145,7 @@ PyObject *__pyx_args, PyObject *__pyx_kwds
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 }
 
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data) {
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_14edges(struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, PyObject *__pyx_v_data) {
   long __pyx_v_DRAWPLANAR_ID;
   DrawPlanarContext *__pyx_v_context;
   int __pyx_v_drawing;
@@ -5177,7 +5177,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
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-  /* "planarity/planarity.pyx":126
+  /* "planarity/classic/planarity.pyx":128
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@@ -5186,7 +5186,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
   __pyx_v_DRAWPLANAR_ID = 1;
 
-  /* "planarity/planarity.pyx":128
+  /* "planarity/classic/planarity.pyx":130
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  *         cdef cplanarity.DrawPlanarContext *context
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@@ -5195,19 +5195,19 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
   __pyx_v_drawing = gp_FindExtension(__pyx_v_self->theGraph, __pyx_v_DRAWPLANAR_ID, ((void *)(&__pyx_v_context)));
 
-  /* "planarity/planarity.pyx":131
+  /* "planarity/classic/planarity.pyx":133
  *                                             DRAWPLANAR_ID,
  *                                             <void *> &context)
  *         edges=[]             # <<<<<<<<<<<<<<
  *         r=self.reverse_nodemap
  *         first=cplanarity.gp_GetFirstVertex(self.theGraph)
 */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 131, __pyx_L1_error)
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 133, __pyx_L1_error)
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-  /* "planarity/planarity.pyx":132
+  /* "planarity/classic/planarity.pyx":134
  *                                             <void *> &context)
  *         edges=[]
  *         r=self.reverse_nodemap             # <<<<<<<<<<<<<<
@@ -5219,7 +5219,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
   __pyx_v_r = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "planarity/planarity.pyx":133
+  /* "planarity/classic/planarity.pyx":135
  *         edges=[]
  *         r=self.reverse_nodemap
  *         first=cplanarity.gp_GetFirstVertex(self.theGraph)             # <<<<<<<<<<<<<<
@@ -5228,7 +5228,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
   __pyx_v_first = gp_GetFirstVertex(__pyx_v_self->theGraph);
 
-  /* "planarity/planarity.pyx":134
+  /* "planarity/classic/planarity.pyx":136
  *         r=self.reverse_nodemap
  *         first=cplanarity.gp_GetFirstVertex(self.theGraph)
  *         last=cplanarity.gp_GetLastVertex(self.theGraph)+1             # <<<<<<<<<<<<<<
@@ -5237,7 +5237,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
   __pyx_v_last = (gp_GetLastVertex(__pyx_v_self->theGraph) + 1);
 
-  /* "planarity/planarity.pyx":135
+  /* "planarity/classic/planarity.pyx":137
  *         first=cplanarity.gp_GetFirstVertex(self.theGraph)
  *         last=cplanarity.gp_GetLastVertex(self.theGraph)+1
  *         for n in range(first,last):             # <<<<<<<<<<<<<<
@@ -5249,7 +5249,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
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     __pyx_v_n = __pyx_t_4;
 
-    /* "planarity/planarity.pyx":136
+    /* "planarity/classic/planarity.pyx":138
  *         last=cplanarity.gp_GetLastVertex(self.theGraph)+1
  *         for n in range(first,last):
  *             e=cplanarity.gp_GetFirstArc(self.theGraph,n)             # <<<<<<<<<<<<<<
@@ -5258,7 +5258,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
     __pyx_v_e = gp_GetFirstArc(__pyx_v_self->theGraph, __pyx_v_n);
 
-    /* "planarity/planarity.pyx":137
+    /* "planarity/classic/planarity.pyx":139
  *         for n in range(first,last):
  *             e=cplanarity.gp_GetFirstArc(self.theGraph,n)
  *             isarc=cplanarity.gp_IsArc(e)             # <<<<<<<<<<<<<<
@@ -5267,7 +5267,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
     __pyx_v_isarc = gp_IsArc(__pyx_v_e);
 
-    /* "planarity/planarity.pyx":138
+    /* "planarity/classic/planarity.pyx":140
  *             e=cplanarity.gp_GetFirstArc(self.theGraph,n)
  *             isarc=cplanarity.gp_IsArc(e)
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@@ -5278,7 +5278,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
       __pyx_t_5 = (__pyx_v_isarc > 0);
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-      /* "planarity/planarity.pyx":139
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@@ -5287,7 +5287,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
 */
       __pyx_v_nbr = gp_GetNeighbor(__pyx_v_self->theGraph, __pyx_v_e);
 
-      /* "planarity/planarity.pyx":140
+      /* "planarity/classic/planarity.pyx":142
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@@ -5297,29 +5297,29 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
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-        /* "planarity/planarity.pyx":141
+        /* "planarity/classic/planarity.pyx":143
  *                 nbr=cplanarity.gp_GetNeighbor(self.theGraph,e)
  *                 if nbr > n:
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  *                         data={}
  *                         if drawing==1:
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-        __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_data); if (unlikely((__pyx_t_5 < 0))) __PYX_ERR(0, 141, __pyx_L1_error)
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-          /* "planarity/planarity.pyx":142
+          /* "planarity/classic/planarity.pyx":144
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 */
-          __pyx_t_1 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 142, __pyx_L1_error)
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-          /* "planarity/planarity.pyx":143
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@@ -5329,7 +5329,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_14edges(struct __pyx_obj
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-            /* "planarity/planarity.pyx":144
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+            __pyx_t_7 = __Pyx_PyLong_From_int((__pyx_v_context->E[__pyx_v_e]).pos); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 146, __pyx_L1_error)
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-            /* "planarity/planarity.pyx":145
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 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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-static PyMethodDef __pyx_mdef_9planarity_9planarity_6PGraph_25__setstate_cython__ = {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_25__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_24__setstate_cython__};
-static PyObject *__pyx_pw_9planarity_9planarity_6PGraph_25__setstate_cython__(PyObject *__pyx_v_self, 
+PyDoc_STRVAR(__pyx_doc_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__, "PGraph.__setstate_cython__(self, __pyx_state)");
+static PyMethodDef __pyx_mdef_9planarity_7classic_9planarity_6PGraph_25__setstate_cython__ = {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_25__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__};
+static PyObject *__pyx_pw_9planarity_7classic_9planarity_6PGraph_25__setstate_cython__(PyObject *__pyx_v_self, 
 #if CYTHON_METH_FASTCALL
 PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
 #else
@@ -6110,11 +6110,11 @@ PyObject *__pyx_args, PyObject *__pyx_kwds
   for (Py_ssize_t __pyx_temp=0; __pyx_temp < (Py_ssize_t)(sizeof(values)/sizeof(values[0])); ++__pyx_temp) {
     Py_XDECREF(values[__pyx_temp]);
   }
-  __Pyx_AddTraceback("planarity.planarity.PGraph.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("planarity.classic.planarity.PGraph.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return NULL;
   __pyx_L4_argument_unpacking_done:;
-  __pyx_r = __pyx_pf_9planarity_9planarity_6PGraph_24__setstate_cython__(((struct __pyx_obj_9planarity_9planarity_PGraph *)__pyx_v_self), __pyx_v___pyx_state);
+  __pyx_r = __pyx_pf_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__(((struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)__pyx_v_self), __pyx_v___pyx_state);
 
   /* function exit code */
   for (Py_ssize_t __pyx_temp=0; __pyx_temp < (Py_ssize_t)(sizeof(values)/sizeof(values[0])); ++__pyx_temp) {
@@ -6124,7 +6124,7 @@ PyObject *__pyx_args, PyObject *__pyx_kwds
   return __pyx_r;
 }
 
-static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_24__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_9planarity_PGraph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state) {
+static PyObject *__pyx_pf_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_7classic_9planarity_PGraph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
@@ -6149,7 +6149,7 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_24__setstate_cython__(CY
 
   /* function exit code */
   __pyx_L1_error:;
-  __Pyx_AddTraceback("planarity.planarity.PGraph.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("planarity.classic.planarity.PGraph.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __Pyx_XGIVEREF(__pyx_r);
   __Pyx_RefNannyFinishContext();
@@ -6157,22 +6157,22 @@ static PyObject *__pyx_pf_9planarity_9planarity_6PGraph_24__setstate_cython__(CY
 }
 /* #### Code section: module_exttypes ### */
 
-static PyObject *__pyx_tp_new_9planarity_9planarity_PGraph(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_9planarity_9planarity_PGraph *p;
+static PyObject *__pyx_tp_new_9planarity_7classic_9planarity_PGraph(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_9planarity_7classic_9planarity_PGraph *p;
   PyObject *o;
   o = __Pyx_AllocateExtensionType(t, 0);
   if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_9planarity_9planarity_PGraph *)o);
+  p = ((struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)o);
   p->nodemap = ((PyObject*)Py_None); Py_INCREF(Py_None);
   p->reverse_nodemap = ((PyObject*)Py_None); Py_INCREF(Py_None);
   return o;
 }
 
-static void __pyx_tp_dealloc_9planarity_9planarity_PGraph(PyObject *o) {
-  struct __pyx_obj_9planarity_9planarity_PGraph *p = (struct __pyx_obj_9planarity_9planarity_PGraph *)o;
+static void __pyx_tp_dealloc_9planarity_7classic_9planarity_PGraph(PyObject *o) {
+  struct __pyx_obj_9planarity_7classic_9planarity_PGraph *p = (struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)o;
   #if CYTHON_USE_TP_FINALIZE
   if (unlikely(__Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
-    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_9planarity_9planarity_PGraph) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_9planarity_7classic_9planarity_PGraph) {
       if (PyObject_CallFinalizerFromDealloc(o)) return;
     }
   }
@@ -6182,7 +6182,7 @@ static void __pyx_tp_dealloc_9planarity_9planarity_PGraph(PyObject *o) {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
-    __pyx_pw_9planarity_9planarity_6PGraph_3__dealloc__(o);
+    __pyx_pw_9planarity_7classic_9planarity_6PGraph_3__dealloc__(o);
     __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
     PyErr_Restore(etype, eval, etb);
   }
@@ -6202,9 +6202,9 @@ static void __pyx_tp_dealloc_9planarity_9planarity_PGraph(PyObject *o) {
   #endif
 }
 
-static int __pyx_tp_traverse_9planarity_9planarity_PGraph(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_9planarity_7classic_9planarity_PGraph(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_9planarity_9planarity_PGraph *p = (struct __pyx_obj_9planarity_9planarity_PGraph *)o;
+  struct __pyx_obj_9planarity_7classic_9planarity_PGraph *p = (struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)o;
   {
     e = __Pyx_call_type_traverse(o, 1, v, a);
     if (e) return e;
@@ -6218,9 +6218,9 @@ static int __pyx_tp_traverse_9planarity_9planarity_PGraph(PyObject *o, visitproc
   return 0;
 }
 
-static int __pyx_tp_clear_9planarity_9planarity_PGraph(PyObject *o) {
+static int __pyx_tp_clear_9planarity_7classic_9planarity_PGraph(PyObject *o) {
   PyObject* tmp;
-  struct __pyx_obj_9planarity_9planarity_PGraph *p = (struct __pyx_obj_9planarity_9planarity_PGraph *)o;
+  struct __pyx_obj_9planarity_7classic_9planarity_PGraph *p = (struct __pyx_obj_9planarity_7classic_9planarity_PGraph *)o;
   tmp = ((PyObject*)p->nodemap);
   p->nodemap = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -6230,46 +6230,46 @@ static int __pyx_tp_clear_9planarity_9planarity_PGraph(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_9planarity_9planarity_PGraph[] = {
-  {"embed_planar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_5embed_planar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_4embed_planar},
-  {"embed_drawplanar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_7embed_drawplanar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_6embed_drawplanar},
-  {"is_planar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_9is_planar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_8is_planar},
-  {"kuratowski_edges", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_11kuratowski_edges, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_10kuratowski_edges},
-  {"nodes", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_13nodes, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_12nodes},
-  {"edges", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_15edges, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_14edges},
-  {"ascii", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_17ascii, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_16ascii},
-  {"write", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_19write, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_18write},
-  {"mapping", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_21mapping, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_20mapping},
-  {"__reduce_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_23__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_22__reduce_cython__},
-  {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_9planarity_6PGraph_25__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_9planarity_6PGraph_24__setstate_cython__},
+static PyMethodDef __pyx_methods_9planarity_7classic_9planarity_PGraph[] = {
+  {"embed_planar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_5embed_planar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_4embed_planar},
+  {"embed_drawplanar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_7embed_drawplanar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_6embed_drawplanar},
+  {"is_planar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_9is_planar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_8is_planar},
+  {"kuratowski_edges", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_11kuratowski_edges, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_10kuratowski_edges},
+  {"nodes", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_13nodes, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_12nodes},
+  {"edges", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_15edges, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_14edges},
+  {"ascii", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_17ascii, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_16ascii},
+  {"write", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_19write, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_18write},
+  {"mapping", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_21mapping, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_20mapping},
+  {"__reduce_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_23__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_22__reduce_cython__},
+  {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_7classic_9planarity_6PGraph_25__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_7classic_9planarity_6PGraph_24__setstate_cython__},
   {0, 0, 0, 0}
 };
 #if CYTHON_USE_TYPE_SPECS
-static PyType_Slot __pyx_type_9planarity_9planarity_PGraph_slots[] = {
-  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_9planarity_9planarity_PGraph},
+static PyType_Slot __pyx_type_9planarity_7classic_9planarity_PGraph_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_9planarity_7classic_9planarity_PGraph},
   {Py_tp_doc, (void *)PyDoc_STR("PGraph(graph)")},
-  {Py_tp_traverse, (void *)__pyx_tp_traverse_9planarity_9planarity_PGraph},
-  {Py_tp_clear, (void *)__pyx_tp_clear_9planarity_9planarity_PGraph},
-  {Py_tp_methods, (void *)__pyx_methods_9planarity_9planarity_PGraph},
-  {Py_tp_init, (void *)__pyx_pw_9planarity_9planarity_6PGraph_1__init__},
-  {Py_tp_new, (void *)__pyx_tp_new_9planarity_9planarity_PGraph},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_9planarity_7classic_9planarity_PGraph},
+  {Py_tp_clear, (void *)__pyx_tp_clear_9planarity_7classic_9planarity_PGraph},
+  {Py_tp_methods, (void *)__pyx_methods_9planarity_7classic_9planarity_PGraph},
+  {Py_tp_init, (void *)__pyx_pw_9planarity_7classic_9planarity_6PGraph_1__init__},
+  {Py_tp_new, (void *)__pyx_tp_new_9planarity_7classic_9planarity_PGraph},
   {0, 0},
 };
-static PyType_Spec __pyx_type_9planarity_9planarity_PGraph_spec = {
-  "planarity.planarity.PGraph",
-  sizeof(struct __pyx_obj_9planarity_9planarity_PGraph),
+static PyType_Spec __pyx_type_9planarity_7classic_9planarity_PGraph_spec = {
+  "planarity.classic.planarity.PGraph",
+  sizeof(struct __pyx_obj_9planarity_7classic_9planarity_PGraph),
   0,
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
-  __pyx_type_9planarity_9planarity_PGraph_slots,
+  __pyx_type_9planarity_7classic_9planarity_PGraph_slots,
 };
 #else
 
-static PyTypeObject __pyx_type_9planarity_9planarity_PGraph = {
+static PyTypeObject __pyx_type_9planarity_7classic_9planarity_PGraph = {
   PyVarObject_HEAD_INIT(0, 0)
-  "planarity.planarity.""PGraph", /*tp_name*/
-  sizeof(struct __pyx_obj_9planarity_9planarity_PGraph), /*tp_basicsize*/
+  "planarity.classic.planarity.""PGraph", /*tp_name*/
+  sizeof(struct __pyx_obj_9planarity_7classic_9planarity_PGraph), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_9planarity_9planarity_PGraph, /*tp_dealloc*/
+  __pyx_tp_dealloc_9planarity_7classic_9planarity_PGraph, /*tp_dealloc*/
   0, /*tp_vectorcall_offset*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -6286,13 +6286,13 @@ static PyTypeObject __pyx_type_9planarity_9planarity_PGraph = {
   0, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   PyDoc_STR("PGraph(graph)"), /*tp_doc*/
-  __pyx_tp_traverse_9planarity_9planarity_PGraph, /*tp_traverse*/
-  __pyx_tp_clear_9planarity_9planarity_PGraph, /*tp_clear*/
+  __pyx_tp_traverse_9planarity_7classic_9planarity_PGraph, /*tp_traverse*/
+  __pyx_tp_clear_9planarity_7classic_9planarity_PGraph, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_9planarity_9planarity_PGraph, /*tp_methods*/
+  __pyx_methods_9planarity_7classic_9planarity_PGraph, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -6302,9 +6302,9 @@ static PyTypeObject __pyx_type_9planarity_9planarity_PGraph = {
   #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
   #endif
-  __pyx_pw_9planarity_9planarity_6PGraph_1__init__, /*tp_init*/
+  __pyx_pw_9planarity_7classic_9planarity_6PGraph_1__init__, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_9planarity_9planarity_PGraph, /*tp_new*/
+  __pyx_tp_new_9planarity_7classic_9planarity_PGraph, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -6391,26 +6391,26 @@ static int __Pyx_modinit_type_init_code(__pyx_mstatetype *__pyx_mstate) {
   __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
   /*--- Type init code ---*/
   #if CYTHON_USE_TYPE_SPECS
-  __pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph = (PyTypeObject *) __Pyx_PyType_FromModuleAndSpec(__pyx_m, &__pyx_type_9planarity_9planarity_PGraph_spec, NULL); if (unlikely(!__pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph)) __PYX_ERR(0, 10, __pyx_L1_error)
-  if (__Pyx_fix_up_extension_type_from_spec(&__pyx_type_9planarity_9planarity_PGraph_spec, __pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph) < (0)) __PYX_ERR(0, 10, __pyx_L1_error)
+  __pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph = (PyTypeObject *) __Pyx_PyType_FromModuleAndSpec(__pyx_m, &__pyx_type_9planarity_7classic_9planarity_PGraph_spec, NULL); if (unlikely(!__pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph)) __PYX_ERR(0, 12, __pyx_L1_error)
+  if (__Pyx_fix_up_extension_type_from_spec(&__pyx_type_9planarity_7classic_9planarity_PGraph_spec, __pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph) < (0)) __PYX_ERR(0, 12, __pyx_L1_error)
   #else
-  __pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph = &__pyx_type_9planarity_9planarity_PGraph;
+  __pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph = &__pyx_type_9planarity_7classic_9planarity_PGraph;
   #endif
   #if !CYTHON_COMPILING_IN_LIMITED_API
   #endif
   #if !CYTHON_USE_TYPE_SPECS
-  if (__Pyx_PyType_Ready(__pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph) < (0)) __PYX_ERR(0, 10, __pyx_L1_error)
+  if (__Pyx_PyType_Ready(__pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph) < (0)) __PYX_ERR(0, 12, __pyx_L1_error)
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-  PyUnstable_Object_EnableDeferredRefcount((PyObject*)__pyx_mstate->__pyx_ptype_9planarity_9planarity_PGraph);
+  PyUnstable_Object_EnableDeferredRefcount((PyObject*)__pyx_mstate->__pyx_ptype_9planarity_7classic_9planarity_PGraph);
   #endif
   #if !CYTHON_COMPILING_IN_LIMITED_API
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+    #else /* compression: none (1768 bytes) */
+const char* const bytes = "-Unknown input type?disableenablegcignoring parallel edge isenabledplanarity: Unknown error.planarity/classic/planarity.pyxplanarity: failed adding edge.planarity: failed attaching drawplanar.planarity: failed to initialize graphplanarity: graph not planar.self.theGraph cannot be converted to a Python object for pickling<stringsource>DRAWPLANAR_IDPGraphPGraph.__reduce_cython__PGraph.__setstate_cython__PGraph.asciiPGraph.edgesPGraph.embed_drawplanarPGraph.embed_planarPGraph.is_planarPGraph.kuratowski_edgesPGraph.mappingPGraph.nodesPGraph.write__Pyx_PyDict_NextRefasciiasyncio.coroutinesbpathcline_in_tracebackcontextdatadrawingeedgesembed_drawplanarembed_planarencodeendextendfirst__func____getstate__graph_is_coroutineis_planarisarcitemskeyskuratowski_edgeslast__main__mapping__module__n__name__nbrnodespathplanarity.classic.planaritypoppospy_bytes__pyx_state__qualname__r__reduce____reduce_cython____reduce_ex__sself__set_name__setdefault__setstate____setstate_cython__startstatus__test__updatevalueswarnwarningswritezip\200A\330\010\013\2104\210{\230#\230Q\330\014\020\320\020'\240y\260\001\260\024\260Q\33078\330\026&\240a\240t\2501\200A\330\010\013\2104\210z\230\021\330\014\023\2201\330\r\021\220\033\230M\250\021\330\014\023\2204\220v\230Q\230e\2401\340\014\022\220,\230a\230q\200A\340\010\014\210M\230\021\330\010\014\210D\220\013\230=\250\001\330\014\023\2201\330\010\017\210q\200A\330\010\016\210d\220'\230\021\330\010\031\230\031\240!\2404\240{\260!\330-.\200A\330\010\033\320\033/\250q\260\004\260A\330\010\013\2107\220-\230q\330\014\022\220,\230a\230q\330\010\033\2309\240A\240T\250\021\33078\330\010\013\2107\220-\230q\330\014\022\220,\230a\230q\330\022\"\240!\2404\240q\200A\330\010\027\220q\330\010\014\320\014\035\230Q\330\010\033\320\0338\270\001\270\024\270[\310\001\310\021\330\010\023\2201\220A\330\010\014\210A\210Q\330\010\017\210x\220w\230a\230q\200A\330\010\017\210t\2201\200\001\330\004\n\210+\220Q\320\004\030\230\001\330\010\026\220a\340\010\032\320\032+\2501\250D""\260\001\330,-\330,5\260Q\260a\340\010\030\320\030*\250!\2504\250q\330\010\027\320\027(\250\001\250\024\250Z\260q\270\001\330\010\n\210$\210a\330\010\016\210a\330\010\014\210E\220\025\220a\220v\230Q\330\014\017\210q\330\020\025\220Q\330\020\023\2207\230\"\230A\330\024\030\230\007\230q\240\004\240G\2503\250a\250r\260\021\330 &\240g\250S\260\001\260\022\2601\330 $\240G\2503\250a\250r\260\021\330\020\025\220W\230B\230a\230q\240\003\2401\340\020\025\220W\230B\230a\230q\240\001\330\010\017\210q\320\004\030\230\001\330\010\026\220a\340\010\032\320\032+\2501\250D\260\001\330,-\330,5\260Q\260a\330\010\016\210a\330\010\n\210$\210a\330\010\030\320\030*\250!\2504\250q\330\010\027\320\027(\250\001\250\024\250Z\260q\270\001\330\010\014\210E\220\025\220a\220v\230Q\330\014\030\230\017\240q\250\004\250J\260a\330\014\034\230I\240Q\240a\330\014\022\220&\230\002\230!\330\020\036\230o\250Q\250d\260*\270A\330\020\023\2204\220r\230\021\330\024\027\220q\330\030\035\230Q\330\030\033\2307\240\"\240A\330\034 \240\007\240q\250\004\250G\2602\260Q\260b\270\001\330(.\250g\260R\260q\270\002\270!\330(,\250G\2602\260Q\260b\270\001\330\030\035\230W\240B\240a\240q\250\003\2501\250A\250U\260!\340\030\035\230W\240B\240a\240q\250\003\2501\250A\250Q\330\020\034\230N\250!\2504\250z\270\021\330\020 \240\t\250\021\250!\330\010\017\210q";
     PyObject *data = NULL;
     CYTHON_UNUSED_VAR(__Pyx_DecompressString);
     #endif
@@ -7127,49 +7127,49 @@ static int __Pyx_CreateCodeObjects(__pyx_mstatetype *__pyx_mstate) {
   PyObject* tuple_dedup_map = PyDict_New();
   if (unlikely(!tuple_dedup_map)) return -1;
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 66};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 68};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
-    __pyx_mstate_global->__pyx_codeobj_tab[0] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_embed_planar, __pyx_mstate->__pyx_kp_b_iso88591_A_4_Q_y_Q78_at1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[0])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[0] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_embed_planar, __pyx_mstate->__pyx_kp_b_iso88591_A_4_Q_y_Q78_at1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[0])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 73};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 75};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_status};
-    __pyx_mstate_global->__pyx_codeobj_tab[1] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_embed_drawplanar, __pyx_mstate->__pyx_kp_b_iso88591_A_q_A_7_q_aq_9AT_78_7_q_aq_4q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[1])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[1] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_embed_drawplanar, __pyx_mstate->__pyx_kp_b_iso88591_A_q_A_7_q_aq_9AT_78_7_q_aq_4q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[1])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 84};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 86};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
-    __pyx_mstate_global->__pyx_codeobj_tab[2] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_is_planar, __pyx_mstate->__pyx_kp_b_iso88591_A_M_D_1_q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[2])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[2] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_is_planar, __pyx_mstate->__pyx_kp_b_iso88591_A_M_D_1_q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[2])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 92};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 94};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
-    __pyx_mstate_global->__pyx_codeobj_tab[3] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_kuratowski_edges, __pyx_mstate->__pyx_kp_b_iso88591_A_4z_1_M_4vQe1_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[3])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[3] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_kuratowski_edges, __pyx_mstate->__pyx_kp_b_iso88591_A_4z_1_M_4vQe1_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[3])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 10, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 101};
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 10, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 103};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_data, __pyx_mstate->__pyx_n_u_DRAWPLANAR_ID, __pyx_mstate->__pyx_n_u_context, __pyx_mstate->__pyx_n_u_drawing, __pyx_mstate->__pyx_n_u_first, __pyx_mstate->__pyx_n_u_last, __pyx_mstate->__pyx_n_u_r, __pyx_mstate->__pyx_n_u_nodes, __pyx_mstate->__pyx_n_u_n};
-    __pyx_mstate_global->__pyx_codeobj_tab[4] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_nodes, __pyx_mstate->__pyx_kp_b_iso88591_a_1D_5Qa_4q_Zq_a_a_E_avQ_q_Q_7, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[4])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[4] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_nodes, __pyx_mstate->__pyx_kp_b_iso88591_a_1D_5Qa_4q_Zq_a_a_E_avQ_q_Q_7, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[4])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 13, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 125};
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 13, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 127};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_data, __pyx_mstate->__pyx_n_u_DRAWPLANAR_ID, __pyx_mstate->__pyx_n_u_context, __pyx_mstate->__pyx_n_u_drawing, __pyx_mstate->__pyx_n_u_edges, __pyx_mstate->__pyx_n_u_r, __pyx_mstate->__pyx_n_u_first, __pyx_mstate->__pyx_n_u_last, __pyx_mstate->__pyx_n_u_n, __pyx_mstate->__pyx_n_u_e, __pyx_mstate->__pyx_n_u_isarc, __pyx_mstate->__pyx_n_u_nbr};
-    __pyx_mstate_global->__pyx_codeobj_tab[5] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_edges, __pyx_mstate->__pyx_kp_b_iso88591_a_1D_5Qa_a_a_4q_Zq_E_avQ_q_Ja_I, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[5])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[5] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_edges, __pyx_mstate->__pyx_kp_b_iso88591_a_1D_5Qa_a_a_4q_Zq_E_avQ_q_Ja_I, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[5])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 155};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 157};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_s, __pyx_mstate->__pyx_n_u_status, __pyx_mstate->__pyx_n_u_py_bytes};
-    __pyx_mstate_global->__pyx_codeobj_tab[6] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_ascii, __pyx_mstate->__pyx_kp_b_iso88591_A_q_Q_8_1A_AQ_xwaq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[6])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[6] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_ascii, __pyx_mstate->__pyx_kp_b_iso88591_A_q_Q_8_1A_AQ_xwaq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[6])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 164};
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 166};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_path, __pyx_mstate->__pyx_n_u_bpath, __pyx_mstate->__pyx_n_u_status};
-    __pyx_mstate_global->__pyx_codeobj_tab[7] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_write, __pyx_mstate->__pyx_kp_b_iso88591_A_d_4, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[7])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[7] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_write, __pyx_mstate->__pyx_kp_b_iso88591_A_d_4, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[7])) goto bad;
   }
   {
-    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 169};
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 171};
     PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
-    __pyx_mstate_global->__pyx_codeobj_tab[8] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_planarity_pyx, __pyx_mstate->__pyx_n_u_mapping, __pyx_mstate->__pyx_kp_b_iso88591_A_t1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[8])) goto bad;
+    __pyx_mstate_global->__pyx_codeobj_tab[8] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_classic_planarity_pyx, __pyx_mstate->__pyx_n_u_mapping, __pyx_mstate->__pyx_kp_b_iso88591_A_t1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[8])) goto bad;
   }
   {
     const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 1};
diff --git a/planarity/planarity.pyx b/planarity/classic/planarity.pyx
similarity index 98%
rename from planarity/planarity.pyx
rename to planarity/classic/planarity.pyx
index 6eb80cf..7f8d9fa 100644
--- a/planarity/planarity.pyx
+++ b/planarity/classic/planarity.pyx
@@ -1,12 +1,14 @@
 #!python
 #cython: embedsignature=True
 """
-Wrapper for Boyer's (C) planarity algorithms.
+Wrapper for Boyer's (c) planarity algorithms.
 """
-from planarity cimport cplanarity
 from libc.stdlib cimport free
 import warnings
 
+from planarity.classic cimport cplanarity
+
+
 cdef class PGraph:
     cdef cplanarity.graphP theGraph
     cdef dict nodemap
diff --git a/planarity/planarity_functions.py b/planarity/classic/planarity_functions.py
similarity index 87%
rename from planarity/planarity_functions.py
rename to planarity/classic/planarity_functions.py
index 55d0754..d44c1ee 100644
--- a/planarity/planarity_functions.py
+++ b/planarity/classic/planarity_functions.py
@@ -1,7 +1,13 @@
 """Functional interface to planarity."""
 import planarity
 
-__all__ = ['is_planar', 'kuratowski_edges', 'ascii', 'write', 'mapping']
+__all__ = [
+    'is_planar',
+    'kuratowski_edges',
+    'ascii',
+    'write',
+    'mapping'
+    ]
 
 def is_planar(graph):
     """Test planarity of graph."""
diff --git a/planarity/planarity_networkx.py b/planarity/classic/planarity_networkx.py
similarity index 96%
rename from planarity/planarity_networkx.py
rename to planarity/classic/planarity_networkx.py
index 1020ea2..03f018b 100644
--- a/planarity/planarity_networkx.py
+++ b/planarity/classic/planarity_networkx.py
@@ -1,8 +1,12 @@
 """NetworkX interface to planarity."""
 import planarity
 
-__all__ = ['kuratowski_subgraph', 'pgraph_graph',
-           'networkx_graph', 'draw']
+__all__ = [
+    'kuratowski_subgraph',
+    'networkx_graph',
+    'pgraph_graph',
+    'draw',
+    ]
 
 def kuratowski_subgraph(graph):
     """Return forbidden subgraph of nonplanar graph G."""
diff --git a/planarity/full/__init__.pxd b/planarity/full/__init__.pxd
new file mode 100644
index 0000000..e69de29
diff --git a/planarity/full/__init__.py b/planarity/full/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/planarity/full/cappconst.pxd b/planarity/full/cappconst.pxd
new file mode 100644
index 0000000..7ec6186
--- /dev/null
+++ b/planarity/full/cappconst.pxd
@@ -0,0 +1,7 @@
+"""C-level interface for the Edge Addition Planarity Suite Graph Library
+
+Specifically exposes contents from appconst.h.
+"""
+
+cdef extern from "../c/graphLib/lowLevelUtils/appconst.h":
+    cdef int OK, NOTOK, NULL, NIL, NIL_CHAR
diff --git a/planarity/full/cg6IterationDefs.pxd b/planarity/full/cg6IterationDefs.pxd
new file mode 100644
index 0000000..efb4a61
--- /dev/null
+++ b/planarity/full/cg6IterationDefs.pxd
@@ -0,0 +1,35 @@
+"""C-level interface for the Edge Addition Planarity Suite Graph Library
+
+Specifically provides definitions for functions and macros that are required
+to interact with .g6 graph files.
+"""
+
+from planarity.full.cgraphLib cimport graphP
+
+
+cdef extern from "../c/graphLib/io/g6-read-iterator.h":
+    ctypedef struct G6ReadIterator:
+        pass
+    ctypedef G6ReadIterator * G6ReadIteratorP
+
+    bint contentsExhausted(G6ReadIteratorP)
+
+    int allocateG6ReadIterator(G6ReadIteratorP *, graphP)
+    int beginG6ReadIterationFromG6FilePath(G6ReadIteratorP, char *)
+
+    int readGraphUsingG6ReadIterator(G6ReadIteratorP)
+    int endG6ReadIteration(G6ReadIteratorP)
+    int freeG6ReadIterator(G6ReadIteratorP *)
+
+
+cdef extern from "../c/graphLib/io/g6-write-iterator.h":
+    ctypedef struct G6WriteIterator:
+        pass
+    ctypedef G6WriteIterator * G6WriteIteratorP
+
+    int allocateG6WriteIterator(G6WriteIteratorP *, graphP)
+    int beginG6WriteIterationToG6FilePath(G6WriteIteratorP, char *)
+
+    int writeGraphUsingG6WriteIterator(G6WriteIteratorP)
+    int endG6WriteIteration(G6WriteIteratorP)
+    int freeG6WriteIterator(G6WriteIteratorP *)
diff --git a/planarity/full/cgraphLib.pxd b/planarity/full/cgraphLib.pxd
new file mode 100644
index 0000000..45bca9f
--- /dev/null
+++ b/planarity/full/cgraphLib.pxd
@@ -0,0 +1,78 @@
+"""C-level interface for the Edge Addition Planarity Suite Graph Library
+
+Specifically provides definitions for functions and macros that are required
+to interact with graphP structs.
+"""
+
+cdef extern from "../c/graphLib/graphStructures.h":
+    cdef int NONEMBEDDABLE
+
+    ctypedef struct baseGraphStructure:
+        pass
+    ctypedef baseGraphStructure * graphP
+
+    int gp_IsArc(int e)
+    int gp_GetFirstEdge(graphP theGraph)
+    int gp_EdgeInUse(graphP theGraph, int e)
+    int gp_EdgeIndexBound(graphP theGraph)
+    int gp_EdgeInUseIndexBound(graphP theGraph)
+    int gp_GetFirstArc(graphP theGraph, int v)
+    int gp_GetNextArc(graphP theGraph, int e)
+
+    int gp_GetNeighbor(graphP theGraph, int e)
+
+    int gp_IsVertex(int v)
+    int gp_GetFirstVertex(graphP theGraph)
+    int gp_GetLastVertex(graphP theGraph)
+    int gp_VertexInRange(graphP theGraph, int v)
+
+    int gp_getN(graphP theGraph)
+
+
+cdef extern from "../c/graphLib/graph.h":
+    int EMBEDFLAGS_PLANAR, EMBEDFLAGS_DRAWPLANAR, EMBEDFLAGS_OUTERPLANAR
+    int EMBEDFLAGS_SEARCHFORK23, EMBEDFLAGS_SEARCHFORK33, EMBEDFLAGS_SEARCHFORK4
+
+    cdef int WRITE_ADJLIST, WRITE_ADJMATRIX, WRITE_G6
+
+    graphP gp_New()
+    int gp_InitGraph(graphP theGraph, int N)
+    void gp_ReinitializeGraph(graphP theGraph)
+    int gp_CopyGraph(graphP dstGraph, graphP srcGraph)
+    graphP gp_DupGraph(graphP theGraph);
+
+    void gp_Free(graphP *pGraph)
+
+    int gp_Read(graphP theGraph, char *FileName)
+    int gp_ReadFromString(graphP theGraph, char *inputStr)
+
+    int gp_Write(graphP theGraph, char *FileName, int Mode)
+    int gp_WriteToString(graphP theGraph, char **pOutputStr, int Mode)
+
+    int gp_GetNeighborEdgeRecord(graphP theGraph, int u, int v)
+    int gp_GetVertexDegree(graphP theGraph, int v)
+
+    int gp_GetArcCapacity(graphP theGraph)
+    int gp_EnsureArcCapacity(graphP theGraph, int requiredArcCapacity)
+
+    int gp_AddEdge(graphP theGraph, int u, int ulink, int v, int vlink)
+    int gp_DeleteEdge(graphP theGraph, int e, int nextLink)
+    
+    int gp_Embed(graphP theGraph, int embedFlags)
+    int gp_TestEmbedResultIntegrity(graphP theGraph, graphP origGraph, int embedResult)
+
+
+cdef extern from "../c/graphLib/planarityRelated/graphDrawPlanar.h":
+    int gp_AttachDrawPlanar(graphP theGraph)
+
+
+cdef extern from "../c/graphLib/homeomorphSearch/graphK23Search.h":
+    int gp_AttachK23Search(graphP theGraph)
+
+
+cdef extern from "../c/graphLib/homeomorphSearch/graphK33Search.h":
+    int gp_AttachK33Search(graphP theGraph)
+
+
+cdef extern from "../c/graphLib/homeomorphSearch/graphK4Search.h":
+    int gp_AttachK4Search(graphP theGraph)
diff --git a/planarity/full/g6IterationUtils.c b/planarity/full/g6IterationUtils.c
new file mode 100644
index 0000000..7ca61d2
--- /dev/null
+++ b/planarity/full/g6IterationUtils.c
@@ -0,0 +1,12189 @@
+/* Generated by Cython 3.2.4 */
+
+/* BEGIN: Cython Metadata
+{
+    "distutils": {
+        "include_dirs": [
+            "planarity/c/graphLib"
+        ],
+        "name": "planarity.full.g6IterationUtils",
+        "sources": [
+            "planarity/full/g6IterationUtils.pyx",
+            "planarity/c/graphLib/graphDFSUtils.c",
+            "planarity/c/graphLib/graphUtils.c",
+            "planarity/c/graphLib/io/g6-api-utilities.c",
+            "planarity/c/graphLib/io/g6-read-iterator.c",
+            "planarity/c/graphLib/io/strOrFile.c",
+            "planarity/c/graphLib/io/g6-write-iterator.c",
+            "planarity/c/graphLib/io/strbuf.c",
+            "planarity/c/graphLib/io/graphIO.c",
+            "planarity/c/graphLib/extensionSystem/graphExtensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK23Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK33Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK4Search.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK4Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK33Search.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK23Search.c",
+            "planarity/c/graphLib/planarityRelated/graphTests.c",
+            "planarity/c/graphLib/planarityRelated/graphEmbed.c",
+            "planarity/c/graphLib/planarityRelated/graphOuterplanarObstruction.c",
+            "planarity/c/graphLib/planarityRelated/graphNonplanar.c",
+            "planarity/c/graphLib/planarityRelated/graphIsolator.c",
+            "planarity/c/graphLib/planarityRelated/graphDrawPlanar.c",
+            "planarity/c/graphLib/planarityRelated/graphDrawPlanar_Extensions.c",
+            "planarity/c/graphLib/lowLevelUtils/stack.c",
+            "planarity/c/graphLib/lowLevelUtils/apiutils.c",
+            "planarity/c/graphLib/lowLevelUtils/listcoll.c"
+        ]
+    },
+    "module_name": "planarity.full.g6IterationUtils"
+}
+END: Cython Metadata */
+
+#ifndef PY_SSIZE_T_CLEAN
+#define PY_SSIZE_T_CLEAN
+#endif /* PY_SSIZE_T_CLEAN */
+/* InitLimitedAPI */
+#if defined(Py_LIMITED_API)
+  #if !defined(CYTHON_LIMITED_API)
+  #define CYTHON_LIMITED_API 1
+  #endif
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef _MSC_VER
+  #pragma message ("Limited API usage is enabled with 'CYTHON_LIMITED_API' but 'Py_LIMITED_API' does not define a Python target version. Consider setting 'Py_LIMITED_API' instead.")
+  #else
+  #warning Limited API usage is enabled with 'CYTHON_LIMITED_API' but 'Py_LIMITED_API' does not define a Python target version. Consider setting 'Py_LIMITED_API' instead.
+  #endif
+#endif
+
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x03080000
+    #error Cython requires Python 3.8+.
+#else
+#define __PYX_ABI_VERSION "3_2_4"
+#define CYTHON_HEX_VERSION 0x030204F0
+#define CYTHON_FUTURE_DIVISION 1
+/* CModulePreamble */
+#include <stddef.h>
+#ifndef offsetof
+  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+#if !defined(_WIN32) && !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+#define __PYX_COMMA ,
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+#define __PYX_LIMITED_VERSION_HEX PY_VERSION_HEX
+#if defined(GRAALVM_PYTHON)
+  /* For very preliminary testing purposes. Most variables are set the same as PyPy.
+     The existence of this section does not imply that anything works or is even tested */
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 1
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 0
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_ASSUME_SAFE_SIZE
+  #define CYTHON_ASSUME_SAFE_SIZE 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #undef CYTHON_PEP489_MULTI_PHASE_INIT
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #undef CYTHON_USE_TP_FINALIZE
+  #define CYTHON_USE_TP_FINALIZE 0
+  #undef CYTHON_USE_AM_SEND
+  #define CYTHON_USE_AM_SEND 0
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 1
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#elif defined(PYPY_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 1
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #ifndef CYTHON_ASSUME_SAFE_SIZE
+    #define CYTHON_ASSUME_SAFE_SIZE 1
+  #endif
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE (PYPY_VERSION_NUM >= 0x07030C00)
+  #endif
+  #undef CYTHON_USE_AM_SEND
+  #define CYTHON_USE_AM_SEND 0
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC (PYPY_VERSION_NUM >= 0x07031100)
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef Py_LIMITED_API
+    #undef __PYX_LIMITED_VERSION_HEX
+    #define __PYX_LIMITED_VERSION_HEX Py_LIMITED_API
+  #endif
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 1
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 1
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #endif
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #endif
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_ASSUME_SAFE_SIZE
+  #define CYTHON_ASSUME_SAFE_SIZE 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL (__PYX_LIMITED_VERSION_HEX >= 0x030C0000)
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #endif
+  #ifndef CYTHON_USE_AM_SEND
+    #define CYTHON_USE_AM_SEND (__PYX_LIMITED_VERSION_HEX >= 0x030A0000)
+  #endif
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 1
+  #endif
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#else
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 1
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #ifdef Py_GIL_DISABLED
+    #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 1
+  #else
+    #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #endif
+  #if PY_VERSION_HEX < 0x030A0000
+    #undef CYTHON_USE_TYPE_SLOTS
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #elif !defined(CYTHON_USE_TYPE_SLOTS)
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #endif
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #ifndef CYTHON_USE_PYTYPE_LOOKUP
+    #define CYTHON_USE_PYTYPE_LOOKUP 1
+  #endif
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_USE_PYLIST_INTERNALS
+    #define CYTHON_USE_PYLIST_INTERNALS 0
+  #elif !defined(CYTHON_USE_PYLIST_INTERNALS)
+    #define CYTHON_USE_PYLIST_INTERNALS 1
+  #endif
+  #ifndef CYTHON_USE_UNICODE_INTERNALS
+    #define CYTHON_USE_UNICODE_INTERNALS 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING || PY_VERSION_HEX >= 0x030B00A2
+    #undef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #elif !defined(CYTHON_USE_UNICODE_WRITER)
+    #define CYTHON_USE_UNICODE_WRITER 1
+  #endif
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 1
+  #elif !defined(CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS)
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_MACROS
+    #define CYTHON_ASSUME_SAFE_MACROS 1
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_SIZE
+    #define CYTHON_ASSUME_SAFE_SIZE 1
+  #endif
+  #ifndef CYTHON_UNPACK_METHODS
+    #define CYTHON_UNPACK_METHODS 1
+  #endif
+  #ifndef CYTHON_FAST_THREAD_STATE
+    #define CYTHON_FAST_THREAD_STATE 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_FAST_GIL
+    #define CYTHON_FAST_GIL 0
+  #elif !defined(CYTHON_FAST_GIL)
+    #define CYTHON_FAST_GIL (PY_VERSION_HEX < 0x030C00A6)
+  #endif
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL 1
+  #endif
+  #ifndef CYTHON_FAST_PYCALL
+    #define CYTHON_FAST_PYCALL 1
+  #endif
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #ifndef CYTHON_USE_SYS_MONITORING
+    #define CYTHON_USE_SYS_MONITORING (PY_VERSION_HEX >= 0x030d00B1)
+  #endif
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 1
+  #endif
+  #ifndef CYTHON_USE_AM_SEND
+    #define CYTHON_USE_AM_SEND 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_USE_DICT_VERSIONS
+    #define CYTHON_USE_DICT_VERSIONS 0
+  #elif !defined(CYTHON_USE_DICT_VERSIONS)
+    #define CYTHON_USE_DICT_VERSIONS  (PY_VERSION_HEX < 0x030C00A5 && !CYTHON_USE_MODULE_STATE)
+  #endif
+  #ifndef CYTHON_USE_EXC_INFO_STACK
+    #define CYTHON_USE_EXC_INFO_STACK 1
+  #endif
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS (!CYTHON_COMPILING_IN_CPYTHON_FREETHREADING)
+  #endif
+  #if defined(CYTHON_IMMORTAL_CONSTANTS) && PY_VERSION_HEX < 0x030C0000
+    #undef CYTHON_IMMORTAL_CONSTANTS
+    #define CYTHON_IMMORTAL_CONSTANTS 0  // definitely won't work
+  #elif !defined(CYTHON_IMMORTAL_CONSTANTS)
+    #define CYTHON_IMMORTAL_CONSTANTS (PY_VERSION_HEX >= 0x030C0000 && !CYTHON_USE_MODULE_STATE && CYTHON_COMPILING_IN_CPYTHON_FREETHREADING)
+  #endif
+#endif
+#ifndef CYTHON_COMPRESS_STRINGS
+  #define CYTHON_COMPRESS_STRINGS 1
+#endif
+#ifndef CYTHON_FAST_PYCCALL
+#define CYTHON_FAST_PYCCALL  CYTHON_FAST_PYCALL
+#endif
+#ifndef CYTHON_VECTORCALL
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define CYTHON_VECTORCALL  (__PYX_LIMITED_VERSION_HEX >= 0x030C0000)
+#else
+#define CYTHON_VECTORCALL  (CYTHON_FAST_PYCCALL)
+#endif
+#endif
+#if CYTHON_USE_PYLONG_INTERNALS
+  #undef SHIFT
+  #undef BASE
+  #undef MASK
+  #ifdef SIZEOF_VOID_P
+    enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) };
+  #endif
+#endif
+#ifndef __has_attribute
+  #define __has_attribute(x) 0
+#endif
+#ifndef __has_cpp_attribute
+  #define __has_cpp_attribute(x) 0
+#endif
+#ifndef CYTHON_RESTRICT
+  #if defined(__GNUC__)
+    #define CYTHON_RESTRICT __restrict__
+  #elif defined(_MSC_VER) && _MSC_VER >= 1400
+    #define CYTHON_RESTRICT __restrict
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_RESTRICT restrict
+  #else
+    #define CYTHON_RESTRICT
+  #endif
+#endif
+#ifndef CYTHON_UNUSED
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(maybe_unused) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(maybe_unused)
+        #define CYTHON_UNUSED [[maybe_unused]]
+      #endif
+    #endif
+  #endif
+#endif
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+#ifndef CYTHON_UNUSED_VAR
+#  if defined(__cplusplus)
+     template<class T> void CYTHON_UNUSED_VAR( const T& ) { }
+#  else
+#    define CYTHON_UNUSED_VAR(x) (void)(x)
+#  endif
+#endif
+#ifndef CYTHON_MAYBE_UNUSED_VAR
+  #define CYTHON_MAYBE_UNUSED_VAR(x) CYTHON_UNUSED_VAR(x)
+#endif
+#ifndef CYTHON_NCP_UNUSED
+# if CYTHON_COMPILING_IN_CPYTHON && !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#  define CYTHON_NCP_UNUSED
+# else
+#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
+# endif
+#endif
+#ifndef CYTHON_USE_CPP_STD_MOVE
+  #if defined(__cplusplus) && (\
+    __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600))
+    #define CYTHON_USE_CPP_STD_MOVE 1
+  #else
+    #define CYTHON_USE_CPP_STD_MOVE 0
+  #endif
+#endif
+#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
+#include <stdint.h>
+typedef uintptr_t  __pyx_uintptr_t;
+#ifndef CYTHON_FALLTHROUGH
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(fallthrough) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(fallthrough)
+        #define CYTHON_FALLTHROUGH [[fallthrough]]
+      #endif
+    #endif
+    #ifndef CYTHON_FALLTHROUGH
+      #if __has_cpp_attribute(clang::fallthrough)
+        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+      #elif __has_cpp_attribute(gnu::fallthrough)
+        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+      #endif
+    #endif
+  #endif
+  #ifndef CYTHON_FALLTHROUGH
+    #if __has_attribute(fallthrough)
+      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
+    #else
+      #define CYTHON_FALLTHROUGH
+    #endif
+  #endif
+  #if defined(__clang__) && defined(__apple_build_version__)
+    #if __apple_build_version__ < 7000000
+      #undef  CYTHON_FALLTHROUGH
+      #define CYTHON_FALLTHROUGH
+    #endif
+  #endif
+#endif
+#ifndef Py_UNREACHABLE
+  #define Py_UNREACHABLE()  assert(0); abort()
+#endif
+#ifdef __cplusplus
+  template <typename T>
+  struct __PYX_IS_UNSIGNED_IMPL {static const bool value = T(0) < T(-1);};
+  #define __PYX_IS_UNSIGNED(type) (__PYX_IS_UNSIGNED_IMPL<type>::value)
+#else
+  #define __PYX_IS_UNSIGNED(type) (((type)-1) > 0)
+#endif
+#if CYTHON_COMPILING_IN_PYPY == 1
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX < 0x030A0000)
+#else
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX < 0x03090000)
+#endif
+#define __PYX_REINTERPRET_FUNCION(func_pointer, other_pointer) ((func_pointer)(void(*)(void))(other_pointer))
+
+/* CInitCode */
+#ifndef CYTHON_INLINE
+  #if defined(__clang__)
+    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
+  #elif defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* PythonCompatibility */
+#define __PYX_BUILD_PY_SSIZE_T "n"
+#define CYTHON_FORMAT_SSIZE_T "z"
+#define __Pyx_BUILTIN_MODULE_NAME "builtins"
+#define __Pyx_DefaultClassType PyType_Type
+#if CYTHON_COMPILING_IN_LIMITED_API
+    #ifndef CO_OPTIMIZED
+    static int CO_OPTIMIZED;
+    #endif
+    #ifndef CO_NEWLOCALS
+    static int CO_NEWLOCALS;
+    #endif
+    #ifndef CO_VARARGS
+    static int CO_VARARGS;
+    #endif
+    #ifndef CO_VARKEYWORDS
+    static int CO_VARKEYWORDS;
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+    static int CO_ASYNC_GENERATOR;
+    #endif
+    #ifndef CO_GENERATOR
+    static int CO_GENERATOR;
+    #endif
+    #ifndef CO_COROUTINE
+    static int CO_COROUTINE;
+    #endif
+#else
+    #ifndef CO_COROUTINE
+      #define CO_COROUTINE 0x80
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+      #define CO_ASYNC_GENERATOR 0x200
+    #endif
+#endif
+static int __Pyx_init_co_variables(void);
+#if PY_VERSION_HEX >= 0x030900A4 || defined(Py_IS_TYPE)
+  #define __Pyx_IS_TYPE(ob, type) Py_IS_TYPE(ob, type)
+#else
+  #define __Pyx_IS_TYPE(ob, type) (((const PyObject*)ob)->ob_type == (type))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_Is)
+  #define __Pyx_Py_Is(x, y)  Py_Is(x, y)
+#else
+  #define __Pyx_Py_Is(x, y) ((x) == (y))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsNone)
+  #define __Pyx_Py_IsNone(ob) Py_IsNone(ob)
+#else
+  #define __Pyx_Py_IsNone(ob) __Pyx_Py_Is((ob), Py_None)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsTrue)
+  #define __Pyx_Py_IsTrue(ob) Py_IsTrue(ob)
+#else
+  #define __Pyx_Py_IsTrue(ob) __Pyx_Py_Is((ob), Py_True)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsFalse)
+  #define __Pyx_Py_IsFalse(ob) Py_IsFalse(ob)
+#else
+  #define __Pyx_Py_IsFalse(ob) __Pyx_Py_Is((ob), Py_False)
+#endif
+#define __Pyx_NoneAsNull(obj)  (__Pyx_Py_IsNone(obj) ? NULL : (obj))
+#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
+#else
+  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
+#endif
+#ifndef Py_TPFLAGS_CHECKTYPES
+  #define Py_TPFLAGS_CHECKTYPES 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_INDEX
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_FINALIZE
+  #define Py_TPFLAGS_HAVE_FINALIZE 0
+#endif
+#ifndef Py_TPFLAGS_SEQUENCE
+  #define Py_TPFLAGS_SEQUENCE 0
+#endif
+#ifndef Py_TPFLAGS_MAPPING
+  #define Py_TPFLAGS_MAPPING 0
+#endif
+#ifndef Py_TPFLAGS_IMMUTABLETYPE
+  #define Py_TPFLAGS_IMMUTABLETYPE (1UL << 8)
+#endif
+#ifndef Py_TPFLAGS_DISALLOW_INSTANTIATION
+  #define Py_TPFLAGS_DISALLOW_INSTANTIATION (1UL << 7)
+#endif
+#ifndef METH_STACKLESS
+  #define METH_STACKLESS 0
+#endif
+#ifndef METH_FASTCALL
+  #ifndef METH_FASTCALL
+     #define METH_FASTCALL 0x80
+  #endif
+  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
+  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
+                                                          Py_ssize_t nargs, PyObject *kwnames);
+#else
+  #if PY_VERSION_HEX >= 0x030d00A4
+  #  define __Pyx_PyCFunctionFast PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords PyCFunctionFastWithKeywords
+  #else
+  #  define __Pyx_PyCFunctionFast _PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #endif
+#endif
+#if CYTHON_METH_FASTCALL
+  #define __Pyx_METH_FASTCALL METH_FASTCALL
+  #define __Pyx_PyCFunction_FastCall __Pyx_PyCFunctionFast
+  #define __Pyx_PyCFunction_FastCallWithKeywords __Pyx_PyCFunctionFastWithKeywords
+#else
+  #define __Pyx_METH_FASTCALL METH_VARARGS
+  #define __Pyx_PyCFunction_FastCall PyCFunction
+  #define __Pyx_PyCFunction_FastCallWithKeywords PyCFunctionWithKeywords
+#endif
+#if CYTHON_VECTORCALL
+  #define __pyx_vectorcallfunc vectorcallfunc
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  PY_VECTORCALL_ARGUMENTS_OFFSET
+  #define __Pyx_PyVectorcall_NARGS(n)  PyVectorcall_NARGS((size_t)(n))
+#else
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  0
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(n))
+#endif
+#if PY_VERSION_HEX >= 0x030900B1
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_CheckExact(func)
+#else
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_Check(func)
+#endif
+#define __Pyx_CyOrPyCFunction_Check(func)  PyCFunction_Check(func)
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  (((PyCFunctionObject*)(func))->m_ml->ml_meth)
+#elif !CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  PyCFunction_GET_FUNCTION(func)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FLAGS(func)  (((PyCFunctionObject*)(func))->m_ml->ml_flags)
+static CYTHON_INLINE PyObject* __Pyx_CyOrPyCFunction_GET_SELF(PyObject *func) {
+    return (__Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_STATIC) ? NULL : ((PyCFunctionObject*)func)->m_self;
+}
+#endif
+static CYTHON_INLINE int __Pyx__IsSameCFunction(PyObject *func, void (*cfunc)(void)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    return PyCFunction_Check(func) && PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+#else
+    return PyCFunction_Check(func) && PyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+#endif
+}
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCFunction(func, cfunc)
+#if PY_VERSION_HEX < 0x03090000 || (CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000)
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  ((void)m, PyType_FromSpecWithBases(s, b))
+  typedef PyObject *(*__Pyx_PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *, size_t, PyObject *);
+#else
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  PyType_FromModuleAndSpec(m, s, b)
+  #define __Pyx_PyCMethod  PyCMethod
+#endif
+#ifndef METH_METHOD
+  #define METH_METHOD 0x200
+#endif
+#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
+  #define PyObject_Malloc(s)   PyMem_Malloc(s)
+  #define PyObject_Free(p)     PyMem_Free(p)
+  #define PyObject_Realloc(p)  PyMem_Realloc(p)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)
+#elif CYTHON_COMPILING_IN_GRAAL && defined(GRAALPY_VERSION_NUM) && GRAALPY_VERSION_NUM > 0x19000000
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) GraalPyFrame_SetLineNumber((frame), (lineno))
+#elif CYTHON_COMPILING_IN_GRAAL
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) _PyFrame_SetLineNumber((frame), (lineno))
+#else
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyThreadState_Current PyThreadState_Get()
+#elif !CYTHON_FAST_THREAD_STATE
+  #define __Pyx_PyThreadState_Current PyThreadState_GET()
+#elif PY_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyThreadState_Current PyThreadState_GetUnchecked()
+#else
+  #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
+#endif
+#if CYTHON_USE_MODULE_STATE
+static CYTHON_INLINE void *__Pyx__PyModule_GetState(PyObject *op)
+{
+    void *result;
+    result = PyModule_GetState(op);
+    if (!result)
+        Py_FatalError("Couldn't find the module state");
+    return result;
+}
+#define __Pyx_PyModule_GetState(o) (__pyx_mstatetype *)__Pyx__PyModule_GetState(o)
+#else
+#define __Pyx_PyModule_GetState(op) ((void)op,__pyx_mstate_global)
+#endif
+#define __Pyx_PyObject_GetSlot(obj, name, func_ctype)  __Pyx_PyType_GetSlot(Py_TYPE((PyObject *) obj), name, func_ctype)
+#define __Pyx_PyObject_TryGetSlot(obj, name, func_ctype) __Pyx_PyType_TryGetSlot(Py_TYPE(obj), name, func_ctype)
+#define __Pyx_PyObject_GetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_GetSubSlot(Py_TYPE(obj), sub, name, func_ctype)
+#define __Pyx_PyObject_TryGetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_TryGetSubSlot(Py_TYPE(obj), sub, name, func_ctype)
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((type)->name)
+  #define __Pyx_PyType_TryGetSlot(type, name, func_ctype) __Pyx_PyType_GetSlot(type, name, func_ctype)
+  #define __Pyx_PyType_GetSubSlot(type, sub, name, func_ctype) (((type)->sub) ? ((type)->sub->name) : NULL)
+  #define __Pyx_PyType_TryGetSubSlot(type, sub, name, func_ctype) __Pyx_PyType_GetSubSlot(type, sub, name, func_ctype)
+#else
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((func_ctype) PyType_GetSlot((type), Py_##name))
+  #define __Pyx_PyType_TryGetSlot(type, name, func_ctype)\
+    ((__PYX_LIMITED_VERSION_HEX >= 0x030A0000 ||\
+     (PyType_GetFlags(type) & Py_TPFLAGS_HEAPTYPE) || __Pyx_get_runtime_version() >= 0x030A0000) ?\
+     __Pyx_PyType_GetSlot(type, name, func_ctype) : NULL)
+  #define __Pyx_PyType_GetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_GetSlot(obj, name, func_ctype)
+  #define __Pyx_PyType_TryGetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_TryGetSlot(obj, name, func_ctype)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
+#define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
+#else
+#define __Pyx_PyDict_NewPresized(n)  PyDict_New()
+#endif
+#define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+#define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_UNICODE_INTERNALS
+#define __Pyx_PyDict_GetItemStrWithError(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStr(PyObject *dict, PyObject *name) {
+    PyObject *res = __Pyx_PyDict_GetItemStrWithError(dict, name);
+    if (res == NULL) PyErr_Clear();
+    return res;
+}
+#elif !CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07020000
+#define __Pyx_PyDict_GetItemStrWithError  PyDict_GetItemWithError
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#else
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict, PyObject *name) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyDict_GetItem(dict, name);
+#else
+    PyDictEntry *ep;
+    PyDictObject *mp = (PyDictObject*) dict;
+    long hash = ((PyStringObject *) name)->ob_shash;
+    assert(hash != -1);
+    ep = (mp->ma_lookup)(mp, name, hash);
+    if (ep == NULL) {
+        return NULL;
+    }
+    return ep->me_value;
+#endif
+}
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#endif
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetFlags(tp)   (((PyTypeObject *)tp)->tp_flags)
+  #define __Pyx_PyType_HasFeature(type, feature)  ((__Pyx_PyType_GetFlags(type) & (feature)) != 0)
+#else
+  #define __Pyx_PyType_GetFlags(tp)   (PyType_GetFlags((PyTypeObject *)tp))
+  #define __Pyx_PyType_HasFeature(type, feature)  PyType_HasFeature(type, feature)
+#endif
+#define __Pyx_PyObject_GetIterNextFunc(iterator)  __Pyx_PyObject_GetSlot(iterator, tp_iternext, iternextfunc)
+#if CYTHON_USE_TYPE_SPECS
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  {\
+    PyTypeObject *type = Py_TYPE((PyObject*)obj);\
+    assert(__Pyx_PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE));\
+    PyObject_GC_Del(obj);\
+    Py_DECREF(type);\
+}
+#else
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  PyObject_GC_Del(obj)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_ReadChar(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((void)u, 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((void)u, (0))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)k, PyUnicode_ReadChar((PyObject*)(d), i))
+  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GetLength(u))
+#else
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_READY(op)       (0)
+  #else
+    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
+                                                0 : _PyUnicode_Ready((PyObject *)(op)))
+  #endif
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)PyUnicode_KIND(u))
+  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, (Py_UCS4) ch)
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
+  #else
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+    #else
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
+    #endif
+  #endif
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
+#else
+  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
+      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #if !defined(PyUnicode_DecodeUnicodeEscape)
+    #define PyUnicode_DecodeUnicodeEscape(s, size, errors)  PyUnicode_Decode(s, size, "unicode_escape", errors)
+  #endif
+  #if !defined(PyUnicode_Contains)
+    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
+  #endif
+  #if !defined(PyByteArray_Check)
+    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
+  #endif
+  #if !defined(PyObject_Format)
+    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+  #endif
+#endif
+#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030E0000
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && PyUnstable_Object_IsUniquelyReferenced(obj)) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#elif CYTHON_COMPILING_IN_CPYTHON
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && Py_REFCNT(obj) == 1) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#else
+  #define __Pyx_PySequence_ListKeepNew(obj)  PySequence_List(obj)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
+#endif
+#if PY_VERSION_HEX >= 0x030900A4
+  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
+  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
+#else
+  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
+  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
+#endif
+enum __Pyx_ReferenceSharing {
+  __Pyx_ReferenceSharing_DefinitelyUnique, // We created it so we know it's unshared - no need to check
+  __Pyx_ReferenceSharing_OwnStrongReference,
+  __Pyx_ReferenceSharing_FunctionArgument,
+  __Pyx_ReferenceSharing_SharedReference, // Never trust it to be unshared because it's a global or similar
+};
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && PY_VERSION_HEX >= 0x030E0000
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing)\
+    (sharing == __Pyx_ReferenceSharing_DefinitelyUnique ? 1 :\
+      (sharing == __Pyx_ReferenceSharing_FunctionArgument ? PyUnstable_Object_IsUniqueReferencedTemporary(o) :\
+      (sharing == __Pyx_ReferenceSharing_OwnStrongReference ? PyUnstable_Object_IsUniquelyReferenced(o) : 0)))
+#elif (CYTHON_COMPILING_IN_CPYTHON && !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING) || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing) (((void)sharing), Py_REFCNT(o) == 1)
+#else
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing) (((void)o), ((void)sharing), 0)
+#endif
+#if CYTHON_AVOID_BORROWED_REFS || CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    #define __Pyx_PyList_GetItemRef(o, i) PyList_GetItemRef(o, i)
+  #elif CYTHON_COMPILING_IN_LIMITED_API || !CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_PyList_GetItemRef(o, i) (likely((i) >= 0) ? PySequence_GetItem(o, i) : (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
+  #else
+    #define __Pyx_PyList_GetItemRef(o, i) PySequence_ITEM(o, i)
+  #endif
+#elif CYTHON_COMPILING_IN_LIMITED_API || !CYTHON_ASSUME_SAFE_MACROS
+  #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    #define __Pyx_PyList_GetItemRef(o, i) PyList_GetItemRef(o, i)
+  #else
+    #define __Pyx_PyList_GetItemRef(o, i) __Pyx_XNewRef(PyList_GetItem(o, i))
+  #endif
+#else
+  #define __Pyx_PyList_GetItemRef(o, i) __Pyx_NewRef(PyList_GET_ITEM(o, i))
+#endif
+#if CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS && !CYTHON_COMPILING_IN_LIMITED_API && CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PyList_GetItemRefFast(o, i, unsafe_shared) (__Pyx_IS_UNIQUELY_REFERENCED(o, unsafe_shared) ?\
+    __Pyx_NewRef(PyList_GET_ITEM(o, i)) : __Pyx_PyList_GetItemRef(o, i))
+#else
+  #define __Pyx_PyList_GetItemRefFast(o, i, unsafe_shared) __Pyx_PyList_GetItemRef(o, i)
+#endif
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+#define __Pyx_PyDict_GetItemRef(dict, key, result) PyDict_GetItemRef(dict, key, result)
+#elif CYTHON_AVOID_BORROWED_REFS || CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+static CYTHON_INLINE int __Pyx_PyDict_GetItemRef(PyObject *dict, PyObject *key, PyObject **result) {
+  *result = PyObject_GetItem(dict, key);
+  if (*result == NULL) {
+    if (PyErr_ExceptionMatches(PyExc_KeyError)) {
+      PyErr_Clear();
+      return 0;
+    }
+    return -1;
+  }
+  return 1;
+}
+#else
+static CYTHON_INLINE int __Pyx_PyDict_GetItemRef(PyObject *dict, PyObject *key, PyObject **result) {
+  *result = PyDict_GetItemWithError(dict, key);
+  if (*result == NULL) {
+    return PyErr_Occurred() ? -1 : 0;
+  }
+  Py_INCREF(*result);
+  return 1;
+}
+#endif
+#if defined(CYTHON_DEBUG_VISIT_CONST) && CYTHON_DEBUG_VISIT_CONST
+  #define __Pyx_VISIT_CONST(obj)  Py_VISIT(obj)
+#else
+  #define __Pyx_VISIT_CONST(obj)
+#endif
+#if CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_ITEM(o, i)
+  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) (PyTuple_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyTuple_GET_ITEM(o, i) PyTuple_GET_ITEM(o, i)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) (PyList_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyList_GET_ITEM(o, i) PyList_GET_ITEM(o, i)
+#else
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_GetItem(o, i)
+  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) PyTuple_SetItem(o, i, v)
+  #define __Pyx_PyTuple_GET_ITEM(o, i) PyTuple_GetItem(o, i)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) PyList_SetItem(o, i, v)
+  #define __Pyx_PyList_GET_ITEM(o, i) PyList_GetItem(o, i)
+#endif
+#if CYTHON_ASSUME_SAFE_SIZE
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_GET_SIZE(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_GET_SIZE(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_GET_SIZE(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_GET_SIZE(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_GET_SIZE(o)
+  #define __Pyx_PyUnicode_GET_LENGTH(o) PyUnicode_GET_LENGTH(o)
+#else
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_Size(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_Size(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_Size(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_Size(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_Size(o)
+  #define __Pyx_PyUnicode_GET_LENGTH(o) PyUnicode_GetLength(o)
+#endif
+#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_InternFromString)
+  #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
+#endif
+#define __Pyx_PyLong_FromHash_t PyLong_FromSsize_t
+#define __Pyx_PyLong_AsHash_t   __Pyx_PyIndex_AsSsize_t
+#if __PYX_LIMITED_VERSION_HEX >= 0x030A0000
+    #define __Pyx_PySendResult PySendResult
+#else
+    typedef enum {
+        PYGEN_RETURN = 0,
+        PYGEN_ERROR = -1,
+        PYGEN_NEXT = 1,
+    } __Pyx_PySendResult;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API || PY_VERSION_HEX < 0x030A00A3
+  typedef __Pyx_PySendResult (*__Pyx_pyiter_sendfunc)(PyObject *iter, PyObject *value, PyObject **result);
+#else
+  #define __Pyx_pyiter_sendfunc sendfunc
+#endif
+#if !CYTHON_USE_AM_SEND
+#define __PYX_HAS_PY_AM_SEND 0
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030A0000
+#define __PYX_HAS_PY_AM_SEND 1
+#else
+#define __PYX_HAS_PY_AM_SEND 2  // our own backported implementation
+#endif
+#if __PYX_HAS_PY_AM_SEND < 2
+    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
+#else
+    typedef struct {
+        unaryfunc am_await;
+        unaryfunc am_aiter;
+        unaryfunc am_anext;
+        __Pyx_pyiter_sendfunc am_send;
+    } __Pyx_PyAsyncMethodsStruct;
+    #define __Pyx_SlotTpAsAsync(s) ((PyAsyncMethods*)(s))
+#endif
+#if CYTHON_USE_AM_SEND && PY_VERSION_HEX < 0x030A00F0
+    #define __Pyx_TPFLAGS_HAVE_AM_SEND (1UL << 21)
+#else
+    #define __Pyx_TPFLAGS_HAVE_AM_SEND (0)
+#endif
+#if PY_VERSION_HEX >= 0x03090000
+#define __Pyx_PyInterpreterState_Get() PyInterpreterState_Get()
+#else
+#define __Pyx_PyInterpreterState_Get() PyThreadState_Get()->interp
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030A0000
+#ifdef __cplusplus
+extern "C"
+#endif
+PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_init_co_variable(PyObject *inspect, const char* name, int *write_to) {
+    int value;
+    PyObject *py_value = PyObject_GetAttrString(inspect, name);
+    if (!py_value) return 0;
+    value = (int) PyLong_AsLong(py_value);
+    Py_DECREF(py_value);
+    *write_to = value;
+    return value != -1 || !PyErr_Occurred();
+}
+static int __Pyx_init_co_variables(void) {
+    PyObject *inspect;
+    int result;
+    inspect = PyImport_ImportModule("inspect");
+    result =
+#if !defined(CO_OPTIMIZED)
+        __Pyx_init_co_variable(inspect, "CO_OPTIMIZED", &CO_OPTIMIZED) &&
+#endif
+#if !defined(CO_NEWLOCALS)
+        __Pyx_init_co_variable(inspect, "CO_NEWLOCALS", &CO_NEWLOCALS) &&
+#endif
+#if !defined(CO_VARARGS)
+        __Pyx_init_co_variable(inspect, "CO_VARARGS", &CO_VARARGS) &&
+#endif
+#if !defined(CO_VARKEYWORDS)
+        __Pyx_init_co_variable(inspect, "CO_VARKEYWORDS", &CO_VARKEYWORDS) &&
+#endif
+#if !defined(CO_ASYNC_GENERATOR)
+        __Pyx_init_co_variable(inspect, "CO_ASYNC_GENERATOR", &CO_ASYNC_GENERATOR) &&
+#endif
+#if !defined(CO_GENERATOR)
+        __Pyx_init_co_variable(inspect, "CO_GENERATOR", &CO_GENERATOR) &&
+#endif
+#if !defined(CO_COROUTINE)
+        __Pyx_init_co_variable(inspect, "CO_COROUTINE", &CO_COROUTINE) &&
+#endif
+        1;
+    Py_DECREF(inspect);
+    return result ? 0 : -1;
+}
+#else
+static int __Pyx_init_co_variables(void) {
+    return 0;  // It's a limited API-only feature
+}
+#endif
+
+/* MathInitCode */
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+  #ifndef _USE_MATH_DEFINES
+    #define _USE_MATH_DEFINES
+  #endif
+#endif
+#include <math.h>
+#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
+#define __Pyx_truncl trunc
+#else
+#define __Pyx_truncl truncl
+#endif
+
+#ifndef CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#define CYTHON_CLINE_IN_TRACEBACK_RUNTIME 0
+#endif
+#ifndef CYTHON_CLINE_IN_TRACEBACK
+#define CYTHON_CLINE_IN_TRACEBACK CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#endif
+#if CYTHON_CLINE_IN_TRACEBACK
+#define __PYX_MARK_ERR_POS(f_index, lineno)  { __pyx_filename = __pyx_f[f_index]; (void) __pyx_filename; __pyx_lineno = lineno; (void) __pyx_lineno; __pyx_clineno = __LINE__; (void) __pyx_clineno; }
+#else
+#define __PYX_MARK_ERR_POS(f_index, lineno)  { __pyx_filename = __pyx_f[f_index]; (void) __pyx_filename; __pyx_lineno = lineno; (void) __pyx_lineno; (void) __pyx_clineno; }
+#endif
+#define __PYX_ERR(f_index, lineno, Ln_error) \
+    { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
+
+#ifdef CYTHON_EXTERN_C
+    #undef __PYX_EXTERN_C
+    #define __PYX_EXTERN_C CYTHON_EXTERN_C
+#elif defined(__PYX_EXTERN_C)
+    #ifdef _MSC_VER
+    #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.")
+    #else
+    #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.
+    #endif
+#else
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#define __PYX_HAVE__planarity__full__g6IterationUtils
+#define __PYX_HAVE_API__planarity__full__g6IterationUtils
+/* Early includes */
+#include "../c/graphLib/lowLevelUtils/appconst.h"
+#include "../c/graphLib/graphStructures.h"
+#include "../c/graphLib/graph.h"
+#include "../c/graphLib/planarityRelated/graphDrawPlanar.h"
+#include "../c/graphLib/homeomorphSearch/graphK23Search.h"
+#include "../c/graphLib/homeomorphSearch/graphK33Search.h"
+#include "../c/graphLib/homeomorphSearch/graphK4Search.h"
+#include "../c/graphLib/io/g6-read-iterator.h"
+#include "../c/graphLib/io/g6-write-iterator.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+#ifdef CYTHON_FREETHREADING_COMPATIBLE
+#if CYTHON_FREETHREADING_COMPATIBLE
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_NOT_USED
+#else
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_USED
+#endif
+#else
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_USED
+#endif
+#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
+#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
+#define __PYX_DEFAULT_STRING_ENCODING ""
+#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
+#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#define __Pyx_uchar_cast(c) ((unsigned char)c)
+#define __Pyx_long_cast(x) ((long)x)
+#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
+    (sizeof(type) < sizeof(Py_ssize_t))  ||\
+    (sizeof(type) > sizeof(Py_ssize_t) &&\
+          likely(v < (type)PY_SSIZE_T_MAX ||\
+                 v == (type)PY_SSIZE_T_MAX)  &&\
+          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
+                                v == (type)PY_SSIZE_T_MIN)))  ||\
+    (sizeof(type) == sizeof(Py_ssize_t) &&\
+          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
+                               v == (type)PY_SSIZE_T_MAX)))  )
+static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
+    return (size_t) i < (size_t) limit;
+}
+#if defined (__cplusplus) && __cplusplus >= 201103L
+    #include <cstdlib>
+    #define __Pyx_sst_abs(value) std::abs(value)
+#elif SIZEOF_INT >= SIZEOF_SIZE_T
+    #define __Pyx_sst_abs(value) abs(value)
+#elif SIZEOF_LONG >= SIZEOF_SIZE_T
+    #define __Pyx_sst_abs(value) labs(value)
+#elif defined (_MSC_VER)
+    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
+#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define __Pyx_sst_abs(value) llabs(value)
+#elif defined (__GNUC__)
+    #define __Pyx_sst_abs(value) __builtin_llabs(value)
+#else
+    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
+#endif
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s);
+static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
+static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char*);
+#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
+#define __Pyx_PyBytes_FromString        PyBytes_FromString
+#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
+#if CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyByteArray_AsString(s) PyByteArray_AS_STRING(s)
+#else
+    #define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AsString(s))
+    #define __Pyx_PyByteArray_AsString(s) PyByteArray_AsString(s)
+#endif
+#define __Pyx_PyObject_AsWritableString(s)    ((char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
+#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
+#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromOrdinal(o)       PyUnicode_FromOrdinal((int)o)
+#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
+static CYTHON_INLINE PyObject *__Pyx_NewRef(PyObject *obj) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030a0000 || defined(Py_NewRef)
+    return Py_NewRef(obj);
+#else
+    Py_INCREF(obj);
+    return obj;
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_XNewRef(PyObject *obj) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030a0000 || defined(Py_XNewRef)
+    return Py_XNewRef(obj);
+#else
+    Py_XINCREF(obj);
+    return obj;
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_Owned_Py_None(int b);
+static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Long(PyObject* x);
+#define __Pyx_PySequence_Tuple(obj)\
+    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyLong_FromSize_t(size_t);
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
+#if CYTHON_ASSUME_SAFE_MACROS
+#define __Pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __Pyx_PyFloat_AS_DOUBLE(x) PyFloat_AS_DOUBLE(x)
+#else
+#define __Pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#define __Pyx_PyFloat_AS_DOUBLE(x) PyFloat_AsDouble(x)
+#endif
+#define __Pyx_PyFloat_AsFloat(x) ((float) __Pyx_PyFloat_AsDouble(x))
+#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
+#if CYTHON_USE_PYLONG_INTERNALS
+  #if PY_VERSION_HEX >= 0x030C00A7
+  #ifndef _PyLong_SIGN_MASK
+    #define _PyLong_SIGN_MASK 3
+  #endif
+  #ifndef _PyLong_NON_SIZE_BITS
+    #define _PyLong_NON_SIZE_BITS 3
+  #endif
+  #define __Pyx_PyLong_Sign(x)  (((PyLongObject*)x)->long_value.lv_tag & _PyLong_SIGN_MASK)
+  #define __Pyx_PyLong_IsNeg(x)  ((__Pyx_PyLong_Sign(x) & 2) != 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (!__Pyx_PyLong_IsNeg(x))
+  #define __Pyx_PyLong_IsZero(x)  (__Pyx_PyLong_Sign(x) & 1)
+  #define __Pyx_PyLong_IsPos(x)  (__Pyx_PyLong_Sign(x) == 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  (__Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  ((Py_ssize_t) (((PyLongObject*)x)->long_value.lv_tag >> _PyLong_NON_SIZE_BITS))
+  #define __Pyx_PyLong_SignedDigitCount(x)\
+        ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * __Pyx_PyLong_DigitCount(x))
+  #if defined(PyUnstable_Long_IsCompact) && defined(PyUnstable_Long_CompactValue)
+    #define __Pyx_PyLong_IsCompact(x)     PyUnstable_Long_IsCompact((PyLongObject*) x)
+    #define __Pyx_PyLong_CompactValue(x)  PyUnstable_Long_CompactValue((PyLongObject*) x)
+  #else
+    #define __Pyx_PyLong_IsCompact(x)     (((PyLongObject*)x)->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS))
+    #define __Pyx_PyLong_CompactValue(x)  ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * (Py_ssize_t) __Pyx_PyLong_Digits(x)[0])
+  #endif
+  typedef Py_ssize_t  __Pyx_compact_pylong;
+  typedef size_t  __Pyx_compact_upylong;
+  #else
+  #define __Pyx_PyLong_IsNeg(x)  (Py_SIZE(x) < 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (Py_SIZE(x) >= 0)
+  #define __Pyx_PyLong_IsZero(x)  (Py_SIZE(x) == 0)
+  #define __Pyx_PyLong_IsPos(x)  (Py_SIZE(x) > 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  ((Py_SIZE(x) == 0) ? 0 : __Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  __Pyx_sst_abs(Py_SIZE(x))
+  #define __Pyx_PyLong_SignedDigitCount(x)  Py_SIZE(x)
+  #define __Pyx_PyLong_IsCompact(x)  (Py_SIZE(x) == 0 || Py_SIZE(x) == 1 || Py_SIZE(x) == -1)
+  #define __Pyx_PyLong_CompactValue(x)\
+        ((Py_SIZE(x) == 0) ? (sdigit) 0 : ((Py_SIZE(x) < 0) ? -(sdigit)__Pyx_PyLong_Digits(x)[0] : (sdigit)__Pyx_PyLong_Digits(x)[0]))
+  typedef sdigit  __Pyx_compact_pylong;
+  typedef digit  __Pyx_compact_upylong;
+  #endif
+  #if PY_VERSION_HEX >= 0x030C00A5
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->long_value.ob_digit)
+  #else
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->ob_digit)
+  #endif
+#endif
+#if __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
+#elif __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeASCII(c_str, size, NULL)
+#else
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
+#endif
+
+
+/* Test for GCC > 2.95 */
+#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
+  #define likely(x)   __builtin_expect(!!(x), 1)
+  #define unlikely(x) __builtin_expect(!!(x), 0)
+#else /* !__GNUC__ or GCC < 2.95 */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+/* PretendToInitialize */
+#ifdef __cplusplus
+#if __cplusplus > 201103L
+#include <type_traits>
+#endif
+template <typename T>
+static void __Pyx_pretend_to_initialize(T* ptr) {
+#if __cplusplus > 201103L
+    if ((std::is_trivially_default_constructible<T>::value))
+#endif
+        *ptr = T();
+    (void)ptr;
+}
+#else
+static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
+#endif
+
+
+#if !CYTHON_USE_MODULE_STATE
+static PyObject *__pyx_m = NULL;
+#endif
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * const __pyx_cfilenm = __FILE__;
+static const char *__pyx_filename;
+
+/* #### Code section: filename_table ### */
+
+static const char* const __pyx_f[] = {
+  "planarity/full/g6IterationUtils.pyx",
+  "<stringsource>",
+  "planarity/full/graph.pxd",
+};
+/* #### Code section: utility_code_proto_before_types ### */
+/* Atomics.proto (used by UnpackUnboundCMethod) */
+#include <pythread.h>
+#ifndef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 1
+#endif
+#define __PYX_CYTHON_ATOMICS_ENABLED() CYTHON_ATOMICS
+#define __PYX_GET_CYTHON_COMPILING_IN_CPYTHON_FREETHREADING() CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __pyx_atomic_int_type int
+#define __pyx_nonatomic_int_type int
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__))
+    #include <stdatomic.h>
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)))
+    #include <atomic>
+#endif
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__) &&\
+                       ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type atomic_int
+    #define __pyx_atomic_ptr_type atomic_uintptr_t
+    #define __pyx_nonatomic_ptr_type uintptr_t
+    #define __pyx_atomic_incr_relaxed(value) atomic_fetch_add_explicit(value, 1, memory_order_relaxed)
+    #define __pyx_atomic_incr_acq_rel(value) atomic_fetch_add_explicit(value, 1, memory_order_acq_rel)
+    #define __pyx_atomic_decr_acq_rel(value) atomic_fetch_sub_explicit(value, 1, memory_order_acq_rel)
+    #define __pyx_atomic_sub(value, arg) atomic_fetch_sub(value, arg)
+    #define __pyx_atomic_int_cmp_exchange(value, expected, desired) atomic_compare_exchange_strong(value, expected, desired)
+    #define __pyx_atomic_load(value) atomic_load(value)
+    #define __pyx_atomic_store(value, new_value) atomic_store(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) atomic_load_explicit(value, memory_order_relaxed)
+    #define __pyx_atomic_pointer_load_acquire(value) atomic_load_explicit(value, memory_order_acquire)
+    #define __pyx_atomic_pointer_exchange(value, new_value) atomic_exchange(value, (__pyx_nonatomic_ptr_type)new_value)
+    #define __pyx_atomic_pointer_cmp_exchange(value, expected, desired) atomic_compare_exchange_strong(value, expected, desired)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C atomics"
+    #endif
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)) &&\
+                    ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type std::atomic_int
+    #define __pyx_atomic_ptr_type std::atomic_uintptr_t
+    #define __pyx_nonatomic_ptr_type uintptr_t
+    #define __pyx_atomic_incr_relaxed(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_relaxed)
+    #define __pyx_atomic_incr_acq_rel(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_acq_rel)
+    #define __pyx_atomic_decr_acq_rel(value) std::atomic_fetch_sub_explicit(value, 1, std::memory_order_acq_rel)
+    #define __pyx_atomic_sub(value, arg) std::atomic_fetch_sub(value, arg)
+    #define __pyx_atomic_int_cmp_exchange(value, expected, desired) std::atomic_compare_exchange_strong(value, expected, desired)
+    #define __pyx_atomic_load(value) std::atomic_load(value)
+    #define __pyx_atomic_store(value, new_value) std::atomic_store(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) std::atomic_load_explicit(value, std::memory_order_relaxed)
+    #define __pyx_atomic_pointer_load_acquire(value) std::atomic_load_explicit(value, std::memory_order_acquire)
+    #define __pyx_atomic_pointer_exchange(value, new_value) std::atomic_exchange(value, (__pyx_nonatomic_ptr_type)new_value)
+    #define __pyx_atomic_pointer_cmp_exchange(value, expected, desired) std::atomic_compare_exchange_strong(value, expected, desired)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C++ atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C++ atomics"
+    #endif
+#elif CYTHON_ATOMICS && (__GNUC__ >= 5 || (__GNUC__ == 4 &&\
+                    (__GNUC_MINOR__ > 1 ||\
+                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ >= 2))))
+    #define __pyx_atomic_ptr_type void*
+    #define __pyx_nonatomic_ptr_type void*
+    #define __pyx_atomic_incr_relaxed(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_incr_acq_rel(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_decr_acq_rel(value) __sync_fetch_and_sub(value, 1)
+    #define __pyx_atomic_sub(value, arg) __sync_fetch_and_sub(value, arg)
+    static CYTHON_INLINE int __pyx_atomic_int_cmp_exchange(__pyx_atomic_int_type* value, __pyx_nonatomic_int_type* expected, __pyx_nonatomic_int_type desired) {
+        __pyx_nonatomic_int_type old = __sync_val_compare_and_swap(value, *expected, desired);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #define __pyx_atomic_load(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_store(value, new_value) __sync_lock_test_and_set(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_pointer_load_acquire(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_pointer_exchange(value, new_value) __sync_lock_test_and_set(value, (__pyx_atomic_ptr_type)new_value)
+    static CYTHON_INLINE int __pyx_atomic_pointer_cmp_exchange(__pyx_atomic_ptr_type* value, __pyx_nonatomic_ptr_type* expected, __pyx_nonatomic_ptr_type desired) {
+        __pyx_nonatomic_ptr_type old = __sync_val_compare_and_swap(value, *expected, desired);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Using GNU atomics"
+    #endif
+#elif CYTHON_ATOMICS && defined(_MSC_VER)
+    #include <intrin.h>
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type long
+    #define __pyx_atomic_ptr_type void*
+    #undef __pyx_nonatomic_int_type
+    #define __pyx_nonatomic_int_type long
+    #define __pyx_nonatomic_ptr_type void*
+    #pragma intrinsic (_InterlockedExchangeAdd, _InterlockedExchange, _InterlockedCompareExchange, _InterlockedCompareExchangePointer, _InterlockedExchangePointer)
+    #define __pyx_atomic_incr_relaxed(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_incr_acq_rel(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_decr_acq_rel(value) _InterlockedExchangeAdd(value, -1)
+    #define __pyx_atomic_sub(value, arg) _InterlockedExchangeAdd(value, -arg)
+    static CYTHON_INLINE int __pyx_atomic_int_cmp_exchange(__pyx_atomic_int_type* value, __pyx_nonatomic_int_type* expected, __pyx_nonatomic_int_type desired) {
+        __pyx_nonatomic_int_type old = _InterlockedCompareExchange(value, desired, *expected);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #define __pyx_atomic_load(value) _InterlockedExchangeAdd(value, 0)
+    #define __pyx_atomic_store(value, new_value) _InterlockedExchange(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) *(void * volatile *)value
+    #define __pyx_atomic_pointer_load_acquire(value) _InterlockedCompareExchangePointer(value, 0, 0)
+    #define __pyx_atomic_pointer_exchange(value, new_value) _InterlockedExchangePointer(value, (__pyx_atomic_ptr_type)new_value)
+    static CYTHON_INLINE int __pyx_atomic_pointer_cmp_exchange(__pyx_atomic_ptr_type* value, __pyx_nonatomic_ptr_type* expected, __pyx_nonatomic_ptr_type desired) {
+        __pyx_atomic_ptr_type old = _InterlockedCompareExchangePointer(value, desired, *expected);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #ifdef __PYX_DEBUG_ATOMICS
+        #pragma message ("Using MSVC atomics")
+    #endif
+#else
+    #undef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 0
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Not using atomics"
+    #endif
+#endif
+
+/* CriticalSectionsDefinition.proto (used by CriticalSections) */
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyCriticalSection void*
+#define __Pyx_PyCriticalSection2 void*
+#define __Pyx_PyCriticalSection_End(cs)
+#define __Pyx_PyCriticalSection2_End(cs)
+#else
+#define __Pyx_PyCriticalSection PyCriticalSection
+#define __Pyx_PyCriticalSection2 PyCriticalSection2
+#define __Pyx_PyCriticalSection_End PyCriticalSection_End
+#define __Pyx_PyCriticalSection2_End PyCriticalSection2_End
+#endif
+
+/* CriticalSections.proto (used by ParseKeywordsImpl) */
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyCriticalSection_Begin(cs, arg) (void)(cs)
+#define __Pyx_PyCriticalSection2_Begin(cs, arg1, arg2) (void)(cs)
+#else
+#define __Pyx_PyCriticalSection_Begin PyCriticalSection_Begin
+#define __Pyx_PyCriticalSection2_Begin PyCriticalSection2_Begin
+#endif
+#if PY_VERSION_HEX < 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_BEGIN_CRITICAL_SECTION(o) {
+#define __Pyx_END_CRITICAL_SECTION() }
+#else
+#define __Pyx_BEGIN_CRITICAL_SECTION Py_BEGIN_CRITICAL_SECTION
+#define __Pyx_END_CRITICAL_SECTION Py_END_CRITICAL_SECTION
+#endif
+
+/* IncludeStructmemberH.proto (used by FixUpExtensionType) */
+#include <structmember.h>
+
+/* #### Code section: numeric_typedefs ### */
+/* #### Code section: complex_type_declarations ### */
+/* #### Code section: type_declarations ### */
+
+/*--- Type declarations ---*/
+struct __pyx_obj_9planarity_4full_5graph_Graph;
+struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator;
+struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator;
+
+/* "graph.pxd":12
+ * from planarity.full cimport cgraphLib
+ * 
+ * cdef class Graph:             # <<<<<<<<<<<<<<
+ *     cdef cgraphLib.graphP _theGraph
+ *     cdef bint owns_graphP
+*/
+struct __pyx_obj_9planarity_4full_5graph_Graph {
+  PyObject_HEAD
+  graphP _theGraph;
+  int owns_graphP;
+};
+
+
+/* "planarity/full/g6IterationUtils.pyx":17
+ * 
+ * 
+ * cdef class G6ReadIterator:             # <<<<<<<<<<<<<<
+ *     cdef cg6IterationDefs.G6ReadIteratorP _g6ReadIterator
+ *     cdef graph.Graph _currGraph
+*/
+struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator {
+  PyObject_HEAD
+  G6ReadIteratorP _g6ReadIterator;
+  struct __pyx_obj_9planarity_4full_5graph_Graph *_currGraph;
+};
+
+
+/* "planarity/full/g6IterationUtils.pyx":65
+ * 
+ * 
+ * cdef class G6WriteIterator:             # <<<<<<<<<<<<<<
+ *     cdef cg6IterationDefs.G6WriteIteratorP _g6WriteIterator
+ *     cdef graph.Graph _currGraph
+*/
+struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator {
+  PyObject_HEAD
+  G6WriteIteratorP _g6WriteIterator;
+  struct __pyx_obj_9planarity_4full_5graph_Graph *_currGraph;
+};
+
+/* #### Code section: utility_code_proto ### */
+
+/* --- Runtime support code (head) --- */
+/* Refnanny.proto */
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, Py_ssize_t);
+    void (*DECREF)(void*, PyObject*, Py_ssize_t);
+    void (*GOTREF)(void*, PyObject*, Py_ssize_t);
+    void (*GIVEREF)(void*, PyObject*, Py_ssize_t);
+    void* (*SetupContext)(const char*, Py_ssize_t, const char*);
+    void (*FinishContext)(void**);
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+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname);
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+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
+              PyGILState_Release(__pyx_gilstate_save);\
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+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_XINCREF(r)  do { if((r) == NULL); else {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) == NULL); else {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) == NULL); else {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) == NULL); else {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContextNogil()
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif
+#define __Pyx_Py_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; Py_XDECREF(tmp);\
+    } while (0)
+#define __Pyx_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; __Pyx_XDECREF(tmp);\
+    } while (0)
+#define __Pyx_DECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; __Pyx_DECREF(tmp);\
+    } while (0)
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+/* TupleAndListFromArray.proto (used by fastcall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n);
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject* __Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n);
+#endif
+
+/* IncludeStringH.proto (used by BytesEquals) */
+#include <string.h>
+
+/* BytesEquals.proto (used by UnicodeEquals) */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* UnicodeEquals.proto (used by fastcall) */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* fastcall.proto */
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_PySequence_ITEM(args, i)
+#elif CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_NewRef(__Pyx_PyTuple_GET_ITEM(args, i))
+#else
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_XNewRef(PyTuple_GetItem(args, i))
+#endif
+#define __Pyx_NumKwargs_VARARGS(kwds) PyDict_Size(kwds)
+#define __Pyx_KwValues_VARARGS(args, nargs) NULL
+#define __Pyx_GetKwValue_VARARGS(kw, kwvalues, s) __Pyx_PyDict_GetItemStrWithError(kw, s)
+#define __Pyx_KwargsAsDict_VARARGS(kw, kwvalues) PyDict_Copy(kw)
+#if CYTHON_METH_FASTCALL
+    #define __Pyx_ArgRef_FASTCALL(args, i) __Pyx_NewRef(args[i])
+    #define __Pyx_NumKwargs_FASTCALL(kwds) __Pyx_PyTuple_GET_SIZE(kwds)
+    #define __Pyx_KwValues_FASTCALL(args, nargs) ((args) + (nargs))
+    static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s);
+  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+    CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues);
+  #else
+    #define __Pyx_KwargsAsDict_FASTCALL(kw, kwvalues) _PyStack_AsDict(kwvalues, kw)
+  #endif
+#else
+    #define __Pyx_ArgRef_FASTCALL __Pyx_ArgRef_VARARGS
+    #define __Pyx_NumKwargs_FASTCALL __Pyx_NumKwargs_VARARGS
+    #define __Pyx_KwValues_FASTCALL __Pyx_KwValues_VARARGS
+    #define __Pyx_GetKwValue_FASTCALL __Pyx_GetKwValue_VARARGS
+    #define __Pyx_KwargsAsDict_FASTCALL __Pyx_KwargsAsDict_VARARGS
+#endif
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#if CYTHON_METH_FASTCALL || (CYTHON_COMPILING_IN_CPYTHON && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) __Pyx_PyTuple_FromArray(args + start, stop - start)
+#else
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#endif
+
+/* RaiseArgTupleInvalid.proto */
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+
+/* py_dict_items.proto (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d);
+
+/* CallCFunction.proto (used by CallUnboundCMethod0) */
+#define __Pyx_CallCFunction(cfunc, self, args)\
+    ((PyCFunction)(void(*)(void))(cfunc)->func)(self, args)
+#define __Pyx_CallCFunctionWithKeywords(cfunc, self, args, kwargs)\
+    ((PyCFunctionWithKeywords)(void(*)(void))(cfunc)->func)(self, args, kwargs)
+#define __Pyx_CallCFunctionFast(cfunc, self, args, nargs)\
+    ((__Pyx_PyCFunctionFast)(void(*)(void))(PyCFunction)(cfunc)->func)(self, args, nargs)
+#define __Pyx_CallCFunctionFastWithKeywords(cfunc, self, args, nargs, kwnames)\
+    ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))(PyCFunction)(cfunc)->func)(self, args, nargs, kwnames)
+
+/* PyObjectCall.proto (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
+
+/* PyObjectCallMethO.proto (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
+
+/* PyObjectFastCall.proto (used by PyObjectCallOneArg) */
+#define __Pyx_PyObject_FastCall(func, args, nargs)  __Pyx_PyObject_FastCallDict(func, args, (size_t)(nargs), NULL)
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject * const*args, size_t nargs, PyObject *kwargs);
+
+/* PyObjectCallOneArg.proto (used by CallUnboundCMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+
+/* PyObjectGetAttrStr.proto (used by UnpackUnboundCMethod) */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
+#else
+#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
+#endif
+
+/* UnpackUnboundCMethod.proto (used by CallUnboundCMethod0) */
+typedef struct {
+    PyObject *type;
+    PyObject **method_name;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && CYTHON_ATOMICS
+    __pyx_atomic_int_type initialized;
+#endif
+    PyCFunction func;
+    PyObject *method;
+    int flag;
+} __Pyx_CachedCFunction;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+static CYTHON_INLINE int __Pyx_CachedCFunction_GetAndSetInitializing(__Pyx_CachedCFunction *cfunc) {
+#if !CYTHON_ATOMICS
+    return 1;
+#else
+    __pyx_nonatomic_int_type expected = 0;
+    if (__pyx_atomic_int_cmp_exchange(&cfunc->initialized, &expected, 1)) {
+        return 0;
+    }
+    return expected;
+#endif
+}
+static CYTHON_INLINE void __Pyx_CachedCFunction_SetFinishedInitializing(__Pyx_CachedCFunction *cfunc) {
+#if CYTHON_ATOMICS
+    __pyx_atomic_store(&cfunc->initialized, 2);
+#endif
+}
+#else
+#define __Pyx_CachedCFunction_GetAndSetInitializing(cfunc) 2
+#define __Pyx_CachedCFunction_SetFinishedInitializing(cfunc)
+#endif
+
+/* CallUnboundCMethod0.proto */
+CYTHON_UNUSED
+static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
+#else
+#define __Pyx_CallUnboundCMethod0(cfunc, self)  __Pyx__CallUnboundCMethod0(cfunc, self)
+#endif
+
+/* py_dict_values.proto (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Values(PyObject* d);
+
+/* OwnedDictNext.proto (used by RejectKeywords) */
+#if CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, PyObject **ppos, PyObject **pkey, PyObject **pvalue);
+#else
+CYTHON_INLINE
+static int __Pyx_PyDict_NextRef(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue);
+#endif
+
+/* RejectKeywords.export */
+static void __Pyx_RejectKeywords(const char* function_name, PyObject *kwds);
+
+/* PyMemoryError_Check.proto */
+#define __Pyx_PyExc_MemoryError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_MemoryError)
+
+/* PyThreadStateGet.proto (used by PyErrFetchRestore) */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
+#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
+#if PY_VERSION_HEX >= 0x030C00A6
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->current_exception != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->current_exception ? (PyObject*) Py_TYPE(__pyx_tstate->current_exception) : (PyObject*) NULL)
+#else
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->curexc_type != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->curexc_type)
+#endif
+#else
+#define __Pyx_PyThreadState_declare
+#define __Pyx_PyThreadState_assign
+#define __Pyx_PyErr_Occurred()  (PyErr_Occurred() != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  PyErr_Occurred()
+#endif
+
+/* PyErrFetchRestore.proto (used by RaiseException) */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A6
+#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
+#else
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#endif
+#else
+#define __Pyx_PyErr_Clear() PyErr_Clear()
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+#endif
+
+/* RaiseException.export */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+
+/* PyRuntimeError_Check.proto */
+#define __Pyx_PyExc_RuntimeError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_RuntimeError)
+
+/* WriteUnraisableException.proto */
+static void __Pyx_WriteUnraisable(const char *name, int clineno,
+                                  int lineno, const char *filename,
+                                  int full_traceback, int nogil);
+
+/* PyObjectFastCallMethod.proto */
+#if CYTHON_VECTORCALL && PY_VERSION_HEX >= 0x03090000
+#define __Pyx_PyObject_FastCallMethod(name, args, nargsf) PyObject_VectorcallMethod(name, args, nargsf, NULL)
+#else
+static PyObject *__Pyx_PyObject_FastCallMethod(PyObject *name, PyObject *const *args, size_t nargsf);
+#endif
+
+/* ExtTypeTest.proto */
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
+
+/* RaiseDoubleKeywords.proto (used by ParseKeywordsImpl) */
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+
+/* ParseKeywordsImpl.export */
+static int __Pyx_ParseKeywordsTuple(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+static int __Pyx_ParseKeywordDictToDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name
+);
+static int __Pyx_ParseKeywordDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+
+/* CallUnboundCMethod2.proto */
+CYTHON_UNUSED
+static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2);
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2);
+#else
+#define __Pyx_CallUnboundCMethod2(cfunc, self, arg1, arg2)  __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2)
+#endif
+
+/* ParseKeywords.proto */
+static CYTHON_INLINE int __Pyx_ParseKeywords(
+    PyObject *kwds, PyObject *const *kwvalues, PyObject ** const argnames[],
+    PyObject *kwds2, PyObject *values[],
+    Py_ssize_t num_pos_args, Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+
+/* ArgTypeTestFunc.export */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
+
+/* ArgTypeTest.proto */
+#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
+    ((likely(__Pyx_IS_TYPE(obj, type) | (none_allowed && (obj == Py_None)))) ? 1 :\
+        __Pyx__ArgTypeTest(obj, type, name, exact))
+
+/* PyTypeError_Check.proto */
+#define __Pyx_PyExc_TypeError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_TypeError)
+
+/* PyLongCompare.proto */
+static CYTHON_INLINE int __Pyx_PyLong_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace);
+
+/* PyValueError_Check.proto */
+#define __Pyx_PyExc_ValueError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_ValueError)
+
+/* GetTopmostException.proto (used by SaveResetException) */
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
+static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
+#endif
+
+/* SaveResetException.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+#else
+#define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
+#define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
+#endif
+
+/* PyErrExceptionMatches.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
+#else
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
+#endif
+
+/* GetException.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
+#endif
+
+/* SwapException.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#else
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
+#endif
+
+/* AllocateExtensionType.proto */
+static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final);
+
+/* CallTypeTraverse.proto */
+#if !CYTHON_USE_TYPE_SPECS || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x03090000)
+#define __Pyx_call_type_traverse(o, always_call, visit, arg) 0
+#else
+static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg);
+#endif
+
+/* LimitedApiGetTypeDict.proto (used by SetItemOnTypeDict) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_GetTypeDict(PyTypeObject *tp);
+#endif
+
+/* SetItemOnTypeDict.proto (used by FixUpExtensionType) */
+static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v);
+#define __Pyx_SetItemOnTypeDict(tp, k, v) __Pyx__SetItemOnTypeDict((PyTypeObject*)tp, k, v)
+
+/* FixUpExtensionType.proto */
+static CYTHON_INLINE int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type);
+
+/* PyObjectCallNoArg.proto (used by PyObjectCallMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+
+/* PyObjectGetMethod.proto (used by PyObjectCallMethod0) */
+#if !(CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000)))
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
+#endif
+
+/* PyObjectCallMethod0.proto (used by PyType_Ready) */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);
+
+/* ValidateBasesTuple.proto (used by PyType_Ready) */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases);
+#endif
+
+/* PyType_Ready.proto */
+CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);
+
+/* DelItemOnTypeDict.proto (used by SetupReduce) */
+static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k);
+#define __Pyx_DelItemOnTypeDict(tp, k) __Pyx__DelItemOnTypeDict((PyTypeObject*)tp, k)
+
+/* PyObjectGetAttrStrNoError.proto (used by SetupReduce) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+
+/* SetupReduce.proto */
+static int __Pyx_setup_reduce(PyObject* type_obj);
+
+/* TypeImport.proto */
+#ifndef __PYX_HAVE_RT_ImportType_proto_3_2_4
+#define __PYX_HAVE_RT_ImportType_proto_3_2_4
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
+#include <stdalign.h>
+#endif
+#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || __cplusplus >= 201103L
+#define __PYX_GET_STRUCT_ALIGNMENT_3_2_4(s) alignof(s)
+#else
+#define __PYX_GET_STRUCT_ALIGNMENT_3_2_4(s) sizeof(void*)
+#endif
+enum __Pyx_ImportType_CheckSize_3_2_4 {
+   __Pyx_ImportType_CheckSize_Error_3_2_4 = 0,
+   __Pyx_ImportType_CheckSize_Warn_3_2_4 = 1,
+   __Pyx_ImportType_CheckSize_Ignore_3_2_4 = 2
+};
+static PyTypeObject *__Pyx_ImportType_3_2_4(PyObject* module, const char *module_name, const char *class_name, size_t size, size_t alignment, enum __Pyx_ImportType_CheckSize_3_2_4 check_size);
+#endif
+
+/* dict_setdefault.proto (used by FetchCommonType) */
+static CYTHON_INLINE PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value);
+
+/* AddModuleRef.proto (used by FetchSharedCythonModule) */
+#if ((CYTHON_COMPILING_IN_CPYTHON_FREETHREADING ) ||\
+     __PYX_LIMITED_VERSION_HEX < 0x030d0000)
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name);
+#else
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#endif
+
+/* FetchSharedCythonModule.proto (used by FetchCommonType) */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void);
+
+/* FetchCommonType.proto (used by CommonTypesMetaclass) */
+static PyTypeObject* __Pyx_FetchCommonTypeFromSpec(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases);
+
+/* CommonTypesMetaclass.proto (used by CythonFunctionShared) */
+static int __pyx_CommonTypesMetaclass_init(PyObject *module);
+#define __Pyx_CommonTypesMetaclass_USED
+
+/* PyMethodNew.proto (used by CythonFunctionShared) */
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ);
+
+/* PyVectorcallFastCallDict.proto (used by CythonFunctionShared) */
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
+#endif
+
+/* CythonFunctionShared.proto (used by CythonFunction) */
+#define __Pyx_CyFunction_USED
+#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
+#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
+#define __Pyx_CYFUNCTION_CCLASS        0x04
+#define __Pyx_CYFUNCTION_COROUTINE     0x08
+#define __Pyx_CyFunction_GetClosure(f)\
+    (((__pyx_CyFunctionObject *) (f))->func_closure)
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      (((__pyx_CyFunctionObject *) (f))->func_classobj)
+#else
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      ((PyObject*) ((PyCMethodObject *) (f))->mm_class)
+#endif
+#define __Pyx_CyFunction_SetClassObj(f, classobj)\
+    __Pyx__CyFunction_SetClassObj((__pyx_CyFunctionObject *) (f), (classobj))
+#define __Pyx_CyFunction_Defaults(type, f)\
+    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
+#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
+    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
+typedef struct {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject_HEAD
+    PyObject *func;
+#elif PY_VERSION_HEX < 0x030900B1
+    PyCFunctionObject func;
+#else
+    PyCMethodObject func;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API && CYTHON_METH_FASTCALL
+    __pyx_vectorcallfunc func_vectorcall;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_weakreflist;
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_dict;
+#endif
+    PyObject *func_name;
+    PyObject *func_qualname;
+    PyObject *func_doc;
+    PyObject *func_globals;
+    PyObject *func_code;
+    PyObject *func_closure;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_classobj;
+#endif
+    PyObject *defaults;
+    int flags;
+    PyObject *defaults_tuple;
+    PyObject *defaults_kwdict;
+    PyObject *(*defaults_getter)(PyObject *);
+    PyObject *func_annotations;
+    PyObject *func_is_coroutine;
+} __pyx_CyFunctionObject;
+#undef __Pyx_CyOrPyCFunction_Check
+#define __Pyx_CyFunction_Check(obj)  __Pyx_TypeCheck(obj, __pyx_mstate_global->__pyx_CyFunctionType)
+#define __Pyx_CyOrPyCFunction_Check(obj)  __Pyx_TypeCheck2(obj, __pyx_mstate_global->__pyx_CyFunctionType, &PyCFunction_Type)
+#define __Pyx_CyFunction_CheckExact(obj)  __Pyx_IS_TYPE(obj, __pyx_mstate_global->__pyx_CyFunctionType)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void));
+#undef __Pyx_IsSameCFunction
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCyOrCFunction(func, cfunc)
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj);
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_InitDefaults(PyObject *func,
+                                                         PyTypeObject *defaults_type);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
+                                                            PyObject *tuple);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
+                                                             PyObject *dict);
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
+                                                              PyObject *dict);
+static int __pyx_CyFunction_init(PyObject *module);
+#if CYTHON_METH_FASTCALL
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_func_vectorcall(f) (((__pyx_CyFunctionObject*)f)->func_vectorcall)
+#else
+#define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
+#endif
+#endif
+
+/* CythonFunction.proto */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+
+/* PyDictVersioning.proto (used by CLineInTraceback) */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
+#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
+    (version_var) = __PYX_GET_DICT_VERSION(dict);\
+    (cache_var) = (value);
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
+        (VAR) = __Pyx_XNewRef(__pyx_dict_cached_value);\
+    } else {\
+        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
+        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
+    }\
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
+#else
+#define __PYX_GET_DICT_VERSION(dict)  (0)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
+#endif
+
+/* CLineInTraceback.proto (used by AddTraceback) */
+#if CYTHON_CLINE_IN_TRACEBACK && CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
+#else
+#define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
+#endif
+
+/* CodeObjectCache.proto (used by AddTraceback) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject __Pyx_CachedCodeObjectType;
+#else
+typedef PyCodeObject __Pyx_CachedCodeObjectType;
+#endif
+typedef struct {
+    __Pyx_CachedCodeObjectType* code_object;
+    int code_line;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_int_type accessor_count;
+  #endif
+};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static __Pyx_CachedCodeObjectType *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, __Pyx_CachedCodeObjectType* code_object);
+
+/* AddTraceback.proto */
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename);
+
+/* FormatTypeName.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%U"
+#define __Pyx_DECREF_TypeName(obj) Py_XDECREF(obj)
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+#define __Pyx_PyType_GetFullyQualifiedName PyType_GetFullyQualifiedName
+#else
+static __Pyx_TypeName __Pyx_PyType_GetFullyQualifiedName(PyTypeObject* tp);
+#endif
+#else  // !LIMITED_API
+typedef const char *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%.200s"
+#define __Pyx_PyType_GetFullyQualifiedName(tp) ((tp)->tp_name)
+#define __Pyx_DECREF_TypeName(obj)
+#endif
+
+/* GCCDiagnostics.proto (used by CIntToPy) */
+#if !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#define __Pyx_HAS_GCC_DIAGNOSTIC
+#endif
+
+/* PyObjectVectorCallKwBuilder.proto (used by CIntToPy) */
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+#if CYTHON_VECTORCALL
+#if PY_VERSION_HEX >= 0x03090000
+#define __Pyx_Object_Vectorcall_CallFromBuilder PyObject_Vectorcall
+#else
+#define __Pyx_Object_Vectorcall_CallFromBuilder _PyObject_Vectorcall
+#endif
+#define __Pyx_MakeVectorcallBuilderKwds(n) PyTuple_New(n)
+static int __Pyx_VectorcallBuilder_AddArg(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+static int __Pyx_VectorcallBuilder_AddArgStr(const char *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+#else
+#define __Pyx_Object_Vectorcall_CallFromBuilder __Pyx_PyObject_FastCallDict
+#define __Pyx_MakeVectorcallBuilderKwds(n) __Pyx_PyDict_NewPresized(n)
+#define __Pyx_VectorcallBuilder_AddArg(key, value, builder, args, n) PyDict_SetItem(builder, key, value)
+#define __Pyx_VectorcallBuilder_AddArgStr(key, value, builder, args, n) PyDict_SetItemString(builder, key, value)
+#endif
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_long(long value);
+
+/* CIntFromPy.proto */
+static CYTHON_INLINE long __Pyx_PyLong_As_long(PyObject *);
+
+/* CIntFromPy.proto */
+static CYTHON_INLINE int __Pyx_PyLong_As_int(PyObject *);
+
+/* FastTypeChecks.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) __Pyx_IsAnySubtype2(Py_TYPE(obj), (PyTypeObject *)type1, (PyTypeObject *)type2)
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
+#else
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) (PyObject_TypeCheck(obj, (PyTypeObject *)type1) || PyObject_TypeCheck(obj, (PyTypeObject *)type2))
+#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2) {
+    return PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2);
+}
+#endif
+#define __Pyx_PyErr_ExceptionMatches2(err1, err2)  __Pyx_PyErr_GivenExceptionMatches2(__Pyx_PyErr_CurrentExceptionType(), err1, err2)
+#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
+#ifdef PyExceptionInstance_Check
+  #define __Pyx_PyBaseException_Check(obj) PyExceptionInstance_Check(obj)
+#else
+  #define __Pyx_PyBaseException_Check(obj) __Pyx_TypeCheck(obj, PyExc_BaseException)
+#endif
+
+/* GetRuntimeVersion.proto */
+#if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+static unsigned long __Pyx_cached_runtime_version = 0;
+static void __Pyx_init_runtime_version(void);
+#else
+#define __Pyx_init_runtime_version()
+#endif
+static unsigned long __Pyx_get_runtime_version(void);
+
+/* CheckBinaryVersion.proto */
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer);
+
+/* DecompressString.proto */
+static PyObject *__Pyx_DecompressString(const char *s, Py_ssize_t length, int algo);
+
+/* MultiPhaseInitModuleState.proto */
+#if CYTHON_PEP489_MULTI_PHASE_INIT && CYTHON_USE_MODULE_STATE
+static PyObject *__Pyx_State_FindModule(void*);
+static int __Pyx_State_AddModule(PyObject* module, void*);
+static int __Pyx_State_RemoveModule(void*);
+#elif CYTHON_USE_MODULE_STATE
+#define __Pyx_State_FindModule PyState_FindModule
+#define __Pyx_State_AddModule PyState_AddModule
+#define __Pyx_State_RemoveModule PyState_RemoveModule
+#endif
+
+/* #### Code section: module_declarations ### */
+/* CythonABIVersion.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+    #if CYTHON_METH_FASTCALL
+        #define __PYX_FASTCALL_ABI_SUFFIX  "_fastcall"
+    #else
+        #define __PYX_FASTCALL_ABI_SUFFIX
+    #endif
+    #define __PYX_LIMITED_ABI_SUFFIX "limited" __PYX_FASTCALL_ABI_SUFFIX __PYX_AM_SEND_ABI_SUFFIX
+#else
+    #define __PYX_LIMITED_ABI_SUFFIX
+#endif
+#if __PYX_HAS_PY_AM_SEND == 1
+    #define __PYX_AM_SEND_ABI_SUFFIX
+#elif __PYX_HAS_PY_AM_SEND == 2
+    #define __PYX_AM_SEND_ABI_SUFFIX "amsendbackport"
+#else
+    #define __PYX_AM_SEND_ABI_SUFFIX "noamsend"
+#endif
+#ifndef __PYX_MONITORING_ABI_SUFFIX
+    #define __PYX_MONITORING_ABI_SUFFIX
+#endif
+#if CYTHON_USE_TP_FINALIZE
+    #define __PYX_TP_FINALIZE_ABI_SUFFIX
+#else
+    #define __PYX_TP_FINALIZE_ABI_SUFFIX "nofinalize"
+#endif
+#if CYTHON_USE_FREELISTS || !defined(__Pyx_AsyncGen_USED)
+    #define __PYX_FREELISTS_ABI_SUFFIX
+#else
+    #define __PYX_FREELISTS_ABI_SUFFIX "nofreelists"
+#endif
+#define CYTHON_ABI  __PYX_ABI_VERSION __PYX_LIMITED_ABI_SUFFIX __PYX_MONITORING_ABI_SUFFIX __PYX_TP_FINALIZE_ABI_SUFFIX __PYX_FREELISTS_ABI_SUFFIX __PYX_AM_SEND_ABI_SUFFIX
+#define __PYX_ABI_MODULE_NAME "_cython_" CYTHON_ABI
+#define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
+
+
+/* Module declarations from "planarity.full" */
+
+/* Module declarations from "planarity.full.cappconst" */
+
+/* Module declarations from "planarity.full.cgraphLib" */
+
+/* Module declarations from "planarity.full.cg6IterationDefs" */
+
+/* Module declarations from "planarity.full.graph" */
+
+/* Module declarations from "planarity.full.g6IterationUtils" */
+/* #### Code section: typeinfo ### */
+/* #### Code section: before_global_var ### */
+#define __Pyx_MODULE_NAME "planarity.full.g6IterationUtils"
+extern int __pyx_module_is_main_planarity__full__g6IterationUtils;
+int __pyx_module_is_main_planarity__full__g6IterationUtils = 0;
+
+/* Implementation of "planarity.full.g6IterationUtils" */
+/* #### Code section: global_var ### */
+/* #### Code section: string_decls ### */
+static const char __pyx_k_Cython_wrapper_for_the_Edge_Add[] = "\nCython wrapper for the Edge Addition Planarity Suite Graph Library\n\nWraps structs pertaining to G6 file iteration using a Cython class and wraps\npertinent functions and macros.\n";
+/* #### Code section: decls ### */
+static int __pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator___cinit__(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static void __pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_2__dealloc__(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_4contents_exhausted(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_6get_currGraph(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_8duplicate_currGraph(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_10begin_iteration(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self, PyObject *__pyx_v_infile_name); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_12read_graph(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_14__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_14G6ReadIterator_16__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
+static int __pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator___cinit__(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self, struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_graph_to_write); /* proto */
+static void __pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_2__dealloc__(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_4begin_iteration(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self, PyObject *__pyx_v_outfile_name); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_6write_graph(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_8reinitialize_currGraph(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_10update_graph_to_write(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self, struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_next_graph); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_16g6IterationUtils_15G6WriteIterator_12__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *__pyx_v_self); /* proto */
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+#define __pyx_n_u_G6ReadIterator __pyx_string_tab[24]
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+#define __pyx_n_u_G6WriteIterator __pyx_string_tab[32]
+#define __pyx_n_u_G6WriteIterator___reduce_cython __pyx_string_tab[33]
+#define __pyx_n_u_G6WriteIterator___setstate_cytho __pyx_string_tab[34]
+#define __pyx_n_u_G6WriteIterator_begin_iteration __pyx_string_tab[35]
+#define __pyx_n_u_G6WriteIterator_reinitialize_cur __pyx_string_tab[36]
+#define __pyx_n_u_G6WriteIterator_update_graph_to __pyx_string_tab[37]
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+#define __pyx_n_u_copy_graph_error __pyx_string_tab[44]
+#define __pyx_n_u_duplicate_currGraph __pyx_string_tab[45]
+#define __pyx_n_u_encoded __pyx_string_tab[46]
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+#define __pyx_n_u_gp_DupGraph __pyx_string_tab[52]
+#define __pyx_n_u_gp_ReinitializeGraph __pyx_string_tab[53]
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+#define __pyx_n_u_outfile_name __pyx_string_tab[64]
+#define __pyx_n_u_planarity_full_g6IterationUtils __pyx_string_tab[65]
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+  /* function exit code */
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+  PyObject *o;
+  o = __Pyx_AllocateExtensionType(t, 0);
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+  if (unlikely(__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_1__cinit__(o, __pyx_mstate_global->__pyx_empty_tuple, NULL) < 0)) goto bad;
+  return o;
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+}
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+}
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+  int e;
+  struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *p = (struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *)o;
+  {
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+}
+
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+  PyObject* tmp;
+  struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *p = (struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator *)o;
+  tmp = ((PyObject*)p->_currGraph);
+  p->_currGraph = ((struct __pyx_obj_9planarity_4full_5graph_Graph *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_9planarity_4full_16g6IterationUtils_G6ReadIterator[] = {
+  {"contents_exhausted", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_5contents_exhausted, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_14G6ReadIterator_4contents_exhausted},
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+  {"duplicate_currGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_9duplicate_currGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_14G6ReadIterator_8duplicate_currGraph},
+  {"begin_iteration", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_11begin_iteration, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_14G6ReadIterator_10begin_iteration},
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+  {"__reduce_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_15__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_14G6ReadIterator_14__reduce_cython__},
+  {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_14G6ReadIterator_17__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_14G6ReadIterator_16__setstate_cython__},
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+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type_9planarity_4full_16g6IterationUtils_G6ReadIterator_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_9planarity_4full_16g6IterationUtils_G6ReadIterator},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_9planarity_4full_16g6IterationUtils_G6ReadIterator},
+  {Py_tp_clear, (void *)__pyx_tp_clear_9planarity_4full_16g6IterationUtils_G6ReadIterator},
+  {Py_tp_methods, (void *)__pyx_methods_9planarity_4full_16g6IterationUtils_G6ReadIterator},
+  {Py_tp_new, (void *)__pyx_tp_new_9planarity_4full_16g6IterationUtils_G6ReadIterator},
+  {0, 0},
+};
+static PyType_Spec __pyx_type_9planarity_4full_16g6IterationUtils_G6ReadIterator_spec = {
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+  sizeof(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator),
+  0,
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+  __pyx_type_9planarity_4full_16g6IterationUtils_G6ReadIterator_slots,
+};
+#else
+
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+  sizeof(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6ReadIterator), /*tp_basicsize*/
+  0, /*tp_itemsize*/
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+  __pyx_tp_traverse_9planarity_4full_16g6IterationUtils_G6ReadIterator, /*tp_traverse*/
+  __pyx_tp_clear_9planarity_4full_16g6IterationUtils_G6ReadIterator, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
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+  PyObject *o;
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+  if (unlikely(__pyx_pw_9planarity_4full_16g6IterationUtils_15G6WriteIterator_1__cinit__(o, a, k) < 0)) goto bad;
+  return o;
+  bad:
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+}
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+static void __pyx_tp_dealloc_9planarity_4full_16g6IterationUtils_G6WriteIterator(PyObject *o) {
+  struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *p = (struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *)o;
+  #if CYTHON_USE_TP_FINALIZE
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+  Py_CLEAR(p->_currGraph);
+  PyTypeObject *tp = Py_TYPE(o);
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+  #else
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+    if (tp_free) tp_free(o);
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+  #endif
+  #if CYTHON_USE_TYPE_SPECS
+  Py_DECREF(tp);
+  #endif
+}
+
+static int __pyx_tp_traverse_9planarity_4full_16g6IterationUtils_G6WriteIterator(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *p = (struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *)o;
+  {
+    e = __Pyx_call_type_traverse(o, 1, v, a);
+    if (e) return e;
+  }
+  if (p->_currGraph) {
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+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_9planarity_4full_16g6IterationUtils_G6WriteIterator(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *p = (struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator *)o;
+  tmp = ((PyObject*)p->_currGraph);
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+  Py_XDECREF(tmp);
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+}
+
+static PyMethodDef __pyx_methods_9planarity_4full_16g6IterationUtils_G6WriteIterator[] = {
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+  {"write_graph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_15G6WriteIterator_7write_graph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_15G6WriteIterator_6write_graph},
+  {"reinitialize_currGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_15G6WriteIterator_9reinitialize_currGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_15G6WriteIterator_8reinitialize_currGraph},
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+  {"__reduce_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_15G6WriteIterator_13__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_15G6WriteIterator_12__reduce_cython__},
+  {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_16g6IterationUtils_15G6WriteIterator_15__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_16g6IterationUtils_15G6WriteIterator_14__setstate_cython__},
+  {0, 0, 0, 0}
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+  {Py_tp_traverse, (void *)__pyx_tp_traverse_9planarity_4full_16g6IterationUtils_G6WriteIterator},
+  {Py_tp_clear, (void *)__pyx_tp_clear_9planarity_4full_16g6IterationUtils_G6WriteIterator},
+  {Py_tp_methods, (void *)__pyx_methods_9planarity_4full_16g6IterationUtils_G6WriteIterator},
+  {Py_tp_new, (void *)__pyx_tp_new_9planarity_4full_16g6IterationUtils_G6WriteIterator},
+  {0, 0},
+};
+static PyType_Spec __pyx_type_9planarity_4full_16g6IterationUtils_G6WriteIterator_spec = {
+  "planarity.full.g6IterationUtils.G6WriteIterator",
+  sizeof(struct __pyx_obj_9planarity_4full_16g6IterationUtils_G6WriteIterator),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type_9planarity_4full_16g6IterationUtils_G6WriteIterator_slots,
+};
+#else
+
+static PyTypeObject __pyx_type_9planarity_4full_16g6IterationUtils_G6WriteIterator = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "planarity.full.g6IterationUtils.""G6WriteIterator", /*tp_name*/
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+} /* anonymous namespace */
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+}
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+}
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+}
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+} __Pyx_PyCode_New_function_description;
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+        PyObject * const *varnames,
+        PyObject *filename,
+        PyObject *funcname,
+        PyObject *line_table,
+        PyObject *tuple_dedup_map
+);
+
+
+static int __Pyx_CreateCodeObjects(__pyx_mstatetype *__pyx_mstate) {
+  PyObject* tuple_dedup_map = PyDict_New();
+  if (unlikely(!tuple_dedup_map)) return -1;
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 43};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[0] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_g6IterationUtils_2, __pyx_mstate->__pyx_n_u_contents_exhausted, __pyx_mstate->__pyx_kp_b_iso88591_A_1_a, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[0])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 46};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[1] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_g6IterationUtils_2, __pyx_mstate->__pyx_n_u_get_currGraph, __pyx_mstate->__pyx_kp_b_iso88591_q_t_5Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[1])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 49};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 52};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_infile_name, __pyx_mstate->__pyx_n_u_encoded, __pyx_mstate->__pyx_n_u_FileName};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 60};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 1};
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+  }
+  {
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+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_pyx_state};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 90};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_outfile_name, __pyx_mstate->__pyx_n_u_encoded, __pyx_mstate->__pyx_n_u_FileName};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 98};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 102};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[9] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_g6IterationUtils_2, __pyx_mstate->__pyx_n_u_reinitialize_currGraph, __pyx_mstate->__pyx_kp_b_iso88591_A_K_A, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[9])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 3, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 105};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_next_graph, __pyx_mstate->__pyx_n_u_copy_graph_error};
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+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 1};
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+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 3};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_pyx_state};
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+}
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+static int __Pyx_InitGlobals(void) {
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+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
+}
+
+/* UnicodeEquals (used by fastcall) */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_GRAAL
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length, length2;
+        int kind;
+        void *data1, *data2;
+        #if !CYTHON_COMPILING_IN_LIMITED_API
+        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
+            return -1;
+        #endif
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(length < 0)) return -1;
+        #endif
+        length2 = __Pyx_PyUnicode_GET_LENGTH(s2);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(length2 < 0)) return -1;
+        #endif
+        if (length != length2) {
+            goto return_ne;
+        }
+#if CYTHON_USE_UNICODE_INTERNALS
+        {
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyASCIIObject*)s1)->hash;
+            hash2 = ((PyASCIIObject*)s2)->hash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                goto return_ne;
+            }
+        }
+#endif
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, (size_t)(length * kind));
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    return (equals == Py_EQ);
+return_ne:
+    return (equals == Py_NE);
+#endif
+}
+
+/* fastcall */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s)
+{
+    Py_ssize_t i, n = __Pyx_PyTuple_GET_SIZE(kwnames);
+    #if !CYTHON_ASSUME_SAFE_SIZE
+    if (unlikely(n == -1)) return NULL;
+    #endif
+    for (i = 0; i < n; i++)
+    {
+        PyObject *namei = __Pyx_PyTuple_GET_ITEM(kwnames, i);
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!namei)) return NULL;
+        #endif
+        if (s == namei) return kwvalues[i];
+    }
+    for (i = 0; i < n; i++)
+    {
+        PyObject *namei = __Pyx_PyTuple_GET_ITEM(kwnames, i);
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!namei)) return NULL;
+        #endif
+        int eq = __Pyx_PyUnicode_Equals(s, namei, Py_EQ);
+        if (unlikely(eq != 0)) {
+            if (unlikely(eq < 0)) return NULL;
+            return kwvalues[i];
+        }
+    }
+    return NULL;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues) {
+    Py_ssize_t i, nkwargs;
+    PyObject *dict;
+#if !CYTHON_ASSUME_SAFE_SIZE
+    nkwargs = PyTuple_Size(kwnames);
+    if (unlikely(nkwargs < 0)) return NULL;
+#else
+    nkwargs = PyTuple_GET_SIZE(kwnames);
+#endif
+    dict = PyDict_New();
+    if (unlikely(!dict))
+        return NULL;
+    for (i=0; i<nkwargs; i++) {
+#if !CYTHON_ASSUME_SAFE_MACROS
+        PyObject *key = PyTuple_GetItem(kwnames, i);
+        if (!key) goto bad;
+#else
+        PyObject *key = PyTuple_GET_ITEM(kwnames, i);
+#endif
+        if (unlikely(PyDict_SetItem(dict, key, kwvalues[i]) < 0))
+            goto bad;
+    }
+    return dict;
+bad:
+    Py_DECREF(dict);
+    return NULL;
+}
+#endif
+#endif
+
+/* RaiseArgTupleInvalid */
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+/* PyObjectCall (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = Py_TYPE(func)->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    result = (*call)(func, arg, kw);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectCallMethO (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
+    PyObject *self, *result;
+    PyCFunction cfunc;
+    cfunc = __Pyx_CyOrPyCFunction_GET_FUNCTION(func);
+    self = __Pyx_CyOrPyCFunction_GET_SELF(func);
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    result = cfunc(self, arg);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectFastCall (used by PyObjectCallOneArg) */
+#if PY_VERSION_HEX < 0x03090000 || CYTHON_COMPILING_IN_LIMITED_API
+static PyObject* __Pyx_PyObject_FastCall_fallback(PyObject *func, PyObject * const*args, size_t nargs, PyObject *kwargs) {
+    PyObject *argstuple;
+    PyObject *result = 0;
+    size_t i;
+    argstuple = PyTuple_New((Py_ssize_t)nargs);
+    if (unlikely(!argstuple)) return NULL;
+    for (i = 0; i < nargs; i++) {
+        Py_INCREF(args[i]);
+        if (__Pyx_PyTuple_SET_ITEM(argstuple, (Py_ssize_t)i, args[i]) != (0)) goto bad;
+    }
+    result = __Pyx_PyObject_Call(func, argstuple, kwargs);
+  bad:
+    Py_DECREF(argstuple);
+    return result;
+}
+#endif
+#if CYTHON_VECTORCALL && !CYTHON_COMPILING_IN_LIMITED_API
+  #if PY_VERSION_HEX < 0x03090000
+    #define __Pyx_PyVectorcall_Function(callable) _PyVectorcall_Function(callable)
+  #elif CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE vectorcallfunc __Pyx_PyVectorcall_Function(PyObject *callable) {
+    PyTypeObject *tp = Py_TYPE(callable);
+    #if defined(__Pyx_CyFunction_USED)
+    if (__Pyx_CyFunction_CheckExact(callable)) {
+        return __Pyx_CyFunction_func_vectorcall(callable);
+    }
+    #endif
+    if (!PyType_HasFeature(tp, Py_TPFLAGS_HAVE_VECTORCALL)) {
+        return NULL;
+    }
+    assert(PyCallable_Check(callable));
+    Py_ssize_t offset = tp->tp_vectorcall_offset;
+    assert(offset > 0);
+    vectorcallfunc ptr;
+    memcpy(&ptr, (char *) callable + offset, sizeof(ptr));
+    return ptr;
+}
+  #else
+    #define __Pyx_PyVectorcall_Function(callable) PyVectorcall_Function(callable)
+  #endif
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject *const *args, size_t _nargs, PyObject *kwargs) {
+    Py_ssize_t nargs = __Pyx_PyVectorcall_NARGS(_nargs);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (nargs == 0 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_NOARGS))
+            return __Pyx_PyObject_CallMethO(func, NULL);
+    }
+    else if (nargs == 1 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_O))
+            return __Pyx_PyObject_CallMethO(func, args[0]);
+    }
+#endif
+    if (kwargs == NULL) {
+        #if CYTHON_VECTORCALL
+          #if CYTHON_COMPILING_IN_LIMITED_API
+            return PyObject_Vectorcall(func, args, _nargs, NULL);
+          #else
+            vectorcallfunc f = __Pyx_PyVectorcall_Function(func);
+            if (f) {
+                return f(func, args, _nargs, NULL);
+            }
+          #endif
+        #endif
+    }
+    if (nargs == 0) {
+        return __Pyx_PyObject_Call(func, __pyx_mstate_global->__pyx_empty_tuple, kwargs);
+    }
+    #if PY_VERSION_HEX >= 0x03090000 && !CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_VectorcallDict(func, args, (size_t)nargs, kwargs);
+    #else
+    return __Pyx_PyObject_FastCall_fallback(func, args, (size_t)nargs, kwargs);
+    #endif
+}
+
+/* PyObjectCallOneArg (used by CallUnboundCMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *args[2] = {NULL, arg};
+    return __Pyx_PyObject_FastCall(func, args+1, 1 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
+/* PyObjectGetAttrStr (used by UnpackUnboundCMethod) */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+    return PyObject_GetAttr(obj, attr_name);
+}
+#endif
+
+/* UnpackUnboundCMethod (used by CallUnboundCMethod0) */
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030C0000
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject *args, PyObject *kwargs) {
+    PyObject *result;
+    PyObject *selfless_args = PyTuple_GetSlice(args, 1, PyTuple_Size(args));
+    if (unlikely(!selfless_args)) return NULL;
+    result = PyObject_Call(method, selfless_args, kwargs);
+    Py_DECREF(selfless_args);
+    return result;
+}
+#elif CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03090000
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject **args, Py_ssize_t nargs, PyObject *kwnames) {
+        return _PyObject_Vectorcall
+            (method, args ? args+1 : NULL, nargs ? nargs-1 : 0, kwnames);
+}
+#else
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames) {
+    return
+#if PY_VERSION_HEX < 0x03090000
+    _PyObject_Vectorcall
+#else
+    PyObject_Vectorcall
+#endif
+        (method, args ? args+1 : NULL, nargs ? (size_t) nargs-1 : 0, kwnames);
+}
+#endif
+static PyMethodDef __Pyx_UnboundCMethod_Def = {
+     "CythonUnboundCMethod",
+     __PYX_REINTERPRET_FUNCION(PyCFunction, __Pyx_SelflessCall),
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030C0000
+     METH_VARARGS | METH_KEYWORDS,
+#else
+     METH_FASTCALL | METH_KEYWORDS,
+#endif
+     NULL
+};
+static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) {
+    PyObject *method, *result=NULL;
+    method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name);
+    if (unlikely(!method))
+        return -1;
+    result = method;
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely(__Pyx_TypeCheck(method, &PyMethodDescr_Type)))
+    {
+        PyMethodDescrObject *descr = (PyMethodDescrObject*) method;
+        target->func = descr->d_method->ml_meth;
+        target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_STACKLESS);
+    } else
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+#else
+    if (PyCFunction_Check(method))
+#endif
+    {
+        PyObject *self;
+        int self_found;
+#if CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_PYPY
+        self = PyObject_GetAttrString(method, "__self__");
+        if (!self) {
+            PyErr_Clear();
+        }
+#else
+        self = PyCFunction_GET_SELF(method);
+#endif
+        self_found = (self && self != Py_None);
+#if CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_PYPY
+        Py_XDECREF(self);
+#endif
+        if (self_found) {
+            PyObject *unbound_method = PyCFunction_New(&__Pyx_UnboundCMethod_Def, method);
+            if (unlikely(!unbound_method)) return -1;
+            Py_DECREF(method);
+            result = unbound_method;
+        }
+    }
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    if (unlikely(target->method)) {
+        Py_DECREF(result);
+    } else
+#endif
+    target->method = result;
+    return 0;
+}
+
+/* CallUnboundCMethod0 */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
+    int was_initialized = __Pyx_CachedCFunction_GetAndSetInitializing(cfunc);
+    if (likely(was_initialized == 2 && cfunc->func)) {
+        if (likely(cfunc->flag == METH_NOARGS))
+            return __Pyx_CallCFunction(cfunc, self, NULL);
+        if (likely(cfunc->flag == METH_FASTCALL))
+            return __Pyx_CallCFunctionFast(cfunc, self, NULL, 0);
+        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
+            return __Pyx_CallCFunctionFastWithKeywords(cfunc, self, NULL, 0, NULL);
+        if (likely(cfunc->flag == (METH_VARARGS | METH_KEYWORDS)))
+            return __Pyx_CallCFunctionWithKeywords(cfunc, self, __pyx_mstate_global->__pyx_empty_tuple, NULL);
+        if (cfunc->flag == METH_VARARGS)
+            return __Pyx_CallCFunction(cfunc, self, __pyx_mstate_global->__pyx_empty_tuple);
+        return __Pyx__CallUnboundCMethod0(cfunc, self);
+    }
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    else if (unlikely(was_initialized == 1)) {
+        __Pyx_CachedCFunction tmp_cfunc = {
+#ifndef __cplusplus
+            0
+#endif
+        };
+        tmp_cfunc.type = cfunc->type;
+        tmp_cfunc.method_name = cfunc->method_name;
+        return __Pyx__CallUnboundCMethod0(&tmp_cfunc, self);
+    }
+#endif
+    PyObject *result = __Pyx__CallUnboundCMethod0(cfunc, self);
+    __Pyx_CachedCFunction_SetFinishedInitializing(cfunc);
+    return result;
+}
+#endif
+static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
+    PyObject *result;
+    if (unlikely(!cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
+    result = __Pyx_PyObject_CallOneArg(cfunc->method, self);
+    return result;
+}
+
+/* py_dict_items (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d) {
+    return __Pyx_CallUnboundCMethod0(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_items, d);
+}
+
+/* py_dict_values (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Values(PyObject* d) {
+    return __Pyx_CallUnboundCMethod0(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_values, d);
+}
+
+/* OwnedDictNext (used by RejectKeywords) */
+#if CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, PyObject **ppos, PyObject **pkey, PyObject **pvalue) {
+    PyObject *next = NULL;
+    if (!*ppos) {
+        if (pvalue) {
+            PyObject *dictview = pkey ? __Pyx_PyDict_Items(p) : __Pyx_PyDict_Values(p);
+            if (unlikely(!dictview)) goto bad;
+            *ppos = PyObject_GetIter(dictview);
+            Py_DECREF(dictview);
+        } else {
+            *ppos = PyObject_GetIter(p);
+        }
+        if (unlikely(!*ppos)) goto bad;
+    }
+    next = PyIter_Next(*ppos);
+    if (!next) {
+        if (PyErr_Occurred()) goto bad;
+        return 0;
+    }
+    if (pkey && pvalue) {
+        *pkey = __Pyx_PySequence_ITEM(next, 0);
+        if (unlikely(*pkey)) goto bad;
+        *pvalue = __Pyx_PySequence_ITEM(next, 1);
+        if (unlikely(*pvalue)) goto bad;
+        Py_DECREF(next);
+    } else if (pkey) {
+        *pkey = next;
+    } else {
+        assert(pvalue);
+        *pvalue = next;
+    }
+    return 1;
+  bad:
+    Py_XDECREF(next);
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d0000
+    PyErr_FormatUnraisable("Exception ignored in __Pyx_PyDict_NextRef");
+#else
+    PyErr_WriteUnraisable(__pyx_mstate_global->__pyx_n_u_Pyx_PyDict_NextRef);
+#endif
+    if (pkey) *pkey = NULL;
+    if (pvalue) *pvalue = NULL;
+    return 0;
+}
+#else // !CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue) {
+    int result = PyDict_Next(p, ppos, pkey, pvalue);
+    if (likely(result == 1)) {
+        if (pkey) Py_INCREF(*pkey);
+        if (pvalue) Py_INCREF(*pvalue);
+    }
+    return result;
+}
+#endif
+
+/* RejectKeywords */
+static void __Pyx_RejectKeywords(const char* function_name, PyObject *kwds) {
+    PyObject *key = NULL;
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds))) {
+        key = __Pyx_PySequence_ITEM(kwds, 0);
+    } else {
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *pos = NULL;
+#else
+        Py_ssize_t pos = 0;
+#endif
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+        if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return;
+#endif
+        __Pyx_PyDict_NextRef(kwds, &pos, &key, NULL);
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_XDECREF(pos);
+#endif
+    }
+    if (likely(key)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s() got an unexpected keyword argument '%U'",
+            function_name, key);
+        Py_DECREF(key);
+    }
+}
+
+/* PyErrFetchRestore (used by RaiseException) */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *tmp_value;
+    assert(type == NULL || (value != NULL && type == (PyObject*) Py_TYPE(value)));
+    if (value) {
+        #if CYTHON_COMPILING_IN_CPYTHON
+        if (unlikely(((PyBaseExceptionObject*) value)->traceback != tb))
+        #endif
+            PyException_SetTraceback(value, tb);
+    }
+    tmp_value = tstate->current_exception;
+    tstate->current_exception = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+#else
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject* exc_value;
+    exc_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    *value = exc_value;
+    *type = NULL;
+    *tb = NULL;
+    if (exc_value) {
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        *tb = ((PyBaseExceptionObject*) exc_value)->traceback;
+        Py_XINCREF(*tb);
+        #else
+        *tb = PyException_GetTraceback(exc_value);
+        #endif
+    }
+#else
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#endif
+}
+#endif
+
+/* RaiseException */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                int is_subclass = PyObject_IsSubclass(instance_class, type);
+                if (!is_subclass) {
+                    instance_class = NULL;
+                } else if (unlikely(is_subclass == -1)) {
+                    goto bad;
+                } else {
+                    type = instance_class;
+                }
+            }
+        }
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
+        }
+    } else {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        } else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        } else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+        PyException_SetTraceback(value, tb);
+#elif CYTHON_FAST_THREAD_STATE
+        PyThreadState *tstate = __Pyx_PyThreadState_Current;
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
+#endif
+    }
+bad:
+    Py_XDECREF(owned_instance);
+    return;
+}
+
+/* WriteUnraisableException */
+static void __Pyx_WriteUnraisable(const char *name, int clineno,
+                                  int lineno, const char *filename,
+                                  int full_traceback, int nogil) {
+    PyObject *old_exc, *old_val, *old_tb;
+    PyObject *ctx;
+    __Pyx_PyThreadState_declare
+    PyGILState_STATE state;
+    if (nogil)
+        state = PyGILState_Ensure();
+    else state = (PyGILState_STATE)0;
+    CYTHON_UNUSED_VAR(clineno);
+    CYTHON_UNUSED_VAR(lineno);
+    CYTHON_UNUSED_VAR(filename);
+    CYTHON_MAYBE_UNUSED_VAR(nogil);
+    __Pyx_PyThreadState_assign
+    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
+    if (full_traceback) {
+        Py_XINCREF(old_exc);
+        Py_XINCREF(old_val);
+        Py_XINCREF(old_tb);
+        __Pyx_ErrRestore(old_exc, old_val, old_tb);
+        PyErr_PrintEx(0);
+    }
+    ctx = PyUnicode_FromString(name);
+    __Pyx_ErrRestore(old_exc, old_val, old_tb);
+    if (!ctx) {
+        PyErr_WriteUnraisable(Py_None);
+    } else {
+        PyErr_WriteUnraisable(ctx);
+        Py_DECREF(ctx);
+    }
+    if (nogil)
+        PyGILState_Release(state);
+}
+
+/* PyObjectFastCallMethod */
+#if !CYTHON_VECTORCALL || PY_VERSION_HEX < 0x03090000
+static PyObject *__Pyx_PyObject_FastCallMethod(PyObject *name, PyObject *const *args, size_t nargsf) {
+    PyObject *result;
+    PyObject *attr = PyObject_GetAttr(args[0], name);
+    if (unlikely(!attr))
+        return NULL;
+    result = __Pyx_PyObject_FastCall(attr, args+1, nargsf - 1);
+    Py_DECREF(attr);
+    return result;
+}
+#endif
+
+/* ExtTypeTest */
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    __Pyx_TypeName obj_type_name;
+    __Pyx_TypeName type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(__Pyx_TypeCheck(obj, type)))
+        return 1;
+    obj_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(obj));
+    type_name = __Pyx_PyType_GetFullyQualifiedName(type);
+    PyErr_Format(PyExc_TypeError,
+                 "Cannot convert " __Pyx_FMT_TYPENAME " to " __Pyx_FMT_TYPENAME,
+                 obj_type_name, type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+}
+
+/* RaiseDoubleKeywords (used by ParseKeywordsImpl) */
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+}
+
+/* CallUnboundCMethod2 */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2) {
+    int was_initialized = __Pyx_CachedCFunction_GetAndSetInitializing(cfunc);
+    if (likely(was_initialized == 2 && cfunc->func)) {
+        PyObject *args[2] = {arg1, arg2};
+        if (cfunc->flag == METH_FASTCALL) {
+            return __Pyx_CallCFunctionFast(cfunc, self, args, 2);
+        }
+        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
+            return __Pyx_CallCFunctionFastWithKeywords(cfunc, self, args, 2, NULL);
+    }
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    else if (unlikely(was_initialized == 1)) {
+        __Pyx_CachedCFunction tmp_cfunc = {
+#ifndef __cplusplus
+            0
+#endif
+        };
+        tmp_cfunc.type = cfunc->type;
+        tmp_cfunc.method_name = cfunc->method_name;
+        return __Pyx__CallUnboundCMethod2(&tmp_cfunc, self, arg1, arg2);
+    }
+#endif
+    PyObject *result = __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2);
+    __Pyx_CachedCFunction_SetFinishedInitializing(cfunc);
+    return result;
+}
+#endif
+static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2){
+    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
+        PyObject *result = NULL;
+        PyObject *args = PyTuple_New(2);
+        if (unlikely(!args)) return NULL;
+        Py_INCREF(arg1);
+        PyTuple_SET_ITEM(args, 0, arg1);
+        Py_INCREF(arg2);
+        PyTuple_SET_ITEM(args, 1, arg2);
+        if (cfunc->flag & METH_KEYWORDS)
+            result = __Pyx_CallCFunctionWithKeywords(cfunc, self, args, NULL);
+        else
+            result = __Pyx_CallCFunction(cfunc, self, args);
+        Py_DECREF(args);
+        return result;
+    }
+#endif
+    {
+        PyObject *args[4] = {NULL, self, arg1, arg2};
+        return __Pyx_PyObject_FastCall(cfunc->method, args+1, 3 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+    }
+}
+
+/* ParseKeywordsImpl (used by ParseKeywords) */
+static int __Pyx_ValidateDuplicatePosArgs(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    const char* function_name)
+{
+    PyObject ** const *name = argnames;
+    while (name != first_kw_arg) {
+        PyObject *key = **name;
+        int found = PyDict_Contains(kwds, key);
+        if (unlikely(found)) {
+            if (found == 1) __Pyx_RaiseDoubleKeywordsError(function_name, key);
+            goto bad;
+        }
+        name++;
+    }
+    return 0;
+bad:
+    return -1;
+}
+#if CYTHON_USE_UNICODE_INTERNALS
+static CYTHON_INLINE int __Pyx_UnicodeKeywordsEqual(PyObject *s1, PyObject *s2) {
+    int kind;
+    Py_ssize_t len = PyUnicode_GET_LENGTH(s1);
+    if (len != PyUnicode_GET_LENGTH(s2)) return 0;
+    kind = PyUnicode_KIND(s1);
+    if (kind != PyUnicode_KIND(s2)) return 0;
+    const void *data1 = PyUnicode_DATA(s1);
+    const void *data2 = PyUnicode_DATA(s2);
+    return (memcmp(data1, data2, (size_t) len * (size_t) kind) == 0);
+}
+#endif
+static int __Pyx_MatchKeywordArg_str(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    PyObject ** const *name;
+    #if CYTHON_USE_UNICODE_INTERNALS
+    Py_hash_t key_hash = ((PyASCIIObject*)key)->hash;
+    if (unlikely(key_hash == -1)) {
+        key_hash = PyObject_Hash(key);
+        if (unlikely(key_hash == -1))
+            goto bad;
+    }
+    #endif
+    name = first_kw_arg;
+    while (*name) {
+        PyObject *name_str = **name;
+        #if CYTHON_USE_UNICODE_INTERNALS
+        if (key_hash == ((PyASCIIObject*)name_str)->hash && __Pyx_UnicodeKeywordsEqual(name_str, key)) {
+            *index_found = (size_t) (name - argnames);
+            return 1;
+        }
+        #else
+        #if CYTHON_ASSUME_SAFE_SIZE
+        if (PyUnicode_GET_LENGTH(name_str) == PyUnicode_GET_LENGTH(key))
+        #endif
+        {
+            int cmp = PyUnicode_Compare(name_str, key);
+            if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+            if (cmp == 0) {
+                *index_found = (size_t) (name - argnames);
+                return 1;
+            }
+        }
+        #endif
+        name++;
+    }
+    name = argnames;
+    while (name != first_kw_arg) {
+        PyObject *name_str = **name;
+        #if CYTHON_USE_UNICODE_INTERNALS
+        if (unlikely(key_hash == ((PyASCIIObject*)name_str)->hash)) {
+            if (__Pyx_UnicodeKeywordsEqual(name_str, key))
+                goto arg_passed_twice;
+        }
+        #else
+        #if CYTHON_ASSUME_SAFE_SIZE
+        if (PyUnicode_GET_LENGTH(name_str) == PyUnicode_GET_LENGTH(key))
+        #endif
+        {
+            if (unlikely(name_str == key)) goto arg_passed_twice;
+            int cmp = PyUnicode_Compare(name_str, key);
+            if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+            if (cmp == 0) goto arg_passed_twice;
+        }
+        #endif
+        name++;
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+bad:
+    return -1;
+}
+static int __Pyx_MatchKeywordArg_nostr(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    PyObject ** const *name;
+    if (unlikely(!PyUnicode_Check(key))) goto invalid_keyword_type;
+    name = first_kw_arg;
+    while (*name) {
+        int cmp = PyObject_RichCompareBool(**name, key, Py_EQ);
+        if (cmp == 1) {
+            *index_found = (size_t) (name - argnames);
+            return 1;
+        }
+        if (unlikely(cmp == -1)) goto bad;
+        name++;
+    }
+    name = argnames;
+    while (name != first_kw_arg) {
+        int cmp = PyObject_RichCompareBool(**name, key, Py_EQ);
+        if (unlikely(cmp != 0)) {
+            if (cmp == 1) goto arg_passed_twice;
+            else goto bad;
+        }
+        name++;
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    goto bad;
+bad:
+    return -1;
+}
+static CYTHON_INLINE int __Pyx_MatchKeywordArg(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    return likely(PyUnicode_CheckExact(key)) ?
+        __Pyx_MatchKeywordArg_str(key, argnames, first_kw_arg, index_found, function_name) :
+        __Pyx_MatchKeywordArg_nostr(key, argnames, first_kw_arg, index_found, function_name);
+}
+static void __Pyx_RejectUnknownKeyword(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    const char *function_name)
+{
+    #if CYTHON_AVOID_BORROWED_REFS
+    PyObject *pos = NULL;
+    #else
+    Py_ssize_t pos = 0;
+    #endif
+    PyObject *key = NULL;
+    __Pyx_BEGIN_CRITICAL_SECTION(kwds);
+    while (
+        #if CYTHON_AVOID_BORROWED_REFS
+        __Pyx_PyDict_NextRef(kwds, &pos, &key, NULL)
+        #else
+        PyDict_Next(kwds, &pos, &key, NULL)
+        #endif
+    ) {
+        PyObject** const *name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (!*name) {
+            size_t index_found = 0;
+            int cmp = __Pyx_MatchKeywordArg(key, argnames, first_kw_arg, &index_found, function_name);
+            if (cmp != 1) {
+                if (cmp == 0) {
+                    PyErr_Format(PyExc_TypeError,
+                        "%s() got an unexpected keyword argument '%U'",
+                        function_name, key);
+                }
+                #if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(key);
+                #endif
+                break;
+            }
+        }
+        #if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(key);
+        #endif
+    }
+    __Pyx_END_CRITICAL_SECTION();
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(pos);
+    #endif
+    assert(PyErr_Occurred());
+}
+static int __Pyx_ParseKeywordDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    PyObject** const *name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    Py_ssize_t extracted = 0;
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+    if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return -1;
+#endif
+    name = first_kw_arg;
+    while (*name && num_kwargs > extracted) {
+        PyObject * key = **name;
+        PyObject *value;
+        int found = 0;
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+        found = PyDict_GetItemRef(kwds, key, &value);
+        #else
+        value = PyDict_GetItemWithError(kwds, key);
+        if (value) {
+            Py_INCREF(value);
+            found = 1;
+        } else {
+            if (unlikely(PyErr_Occurred())) goto bad;
+        }
+        #endif
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+            extracted++;
+        }
+        name++;
+    }
+    if (num_kwargs > extracted) {
+        if (ignore_unknown_kwargs) {
+            if (unlikely(__Pyx_ValidateDuplicatePosArgs(kwds, argnames, first_kw_arg, function_name) == -1))
+                goto bad;
+        } else {
+            __Pyx_RejectUnknownKeyword(kwds, argnames, first_kw_arg, function_name);
+            goto bad;
+        }
+    }
+    return 0;
+bad:
+    return -1;
+}
+static int __Pyx_ParseKeywordDictToDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject** const *name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    Py_ssize_t len;
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+    if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return -1;
+#endif
+    if (PyDict_Update(kwds2, kwds) < 0) goto bad;
+    name = first_kw_arg;
+    while (*name) {
+        PyObject *key = **name;
+        PyObject *value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && (PY_VERSION_HEX >= 0x030d00A2 || defined(PyDict_Pop))
+        int found = PyDict_Pop(kwds2, key, &value);
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+        }
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+        int found = PyDict_GetItemRef(kwds2, key, &value);
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+            if (unlikely(PyDict_DelItem(kwds2, key) < 0)) goto bad;
+        }
+#else
+    #if CYTHON_COMPILING_IN_CPYTHON
+        value = _PyDict_Pop(kwds2, key, kwds2);
+    #else
+        value = __Pyx_CallUnboundCMethod2(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_pop, kwds2, key, kwds2);
+    #endif
+        if (value == kwds2) {
+            Py_DECREF(value);
+        } else {
+            if (unlikely(!value)) goto bad;
+            values[name-argnames] = value;
+        }
+#endif
+        name++;
+    }
+    len = PyDict_Size(kwds2);
+    if (len > 0) {
+        return __Pyx_ValidateDuplicatePosArgs(kwds, argnames, first_kw_arg, function_name);
+    } else if (unlikely(len == -1)) {
+        goto bad;
+    }
+    return 0;
+bad:
+    return -1;
+}
+static int __Pyx_ParseKeywordsTuple(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    PyObject *key = NULL;
+    PyObject** const * name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    for (Py_ssize_t pos = 0; pos < num_kwargs; pos++) {
+#if CYTHON_AVOID_BORROWED_REFS
+        key = __Pyx_PySequence_ITEM(kwds, pos);
+#else
+        key = __Pyx_PyTuple_GET_ITEM(kwds, pos);
+#endif
+#if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!key)) goto bad;
+#endif
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            PyObject *value = kwvalues[pos];
+            values[name-argnames] = __Pyx_NewRef(value);
+        } else {
+            size_t index_found = 0;
+            int cmp = __Pyx_MatchKeywordArg(key, argnames, first_kw_arg, &index_found, function_name);
+            if (cmp == 1) {
+                PyObject *value = kwvalues[pos];
+                values[index_found] = __Pyx_NewRef(value);
+            } else {
+                if (unlikely(cmp == -1)) goto bad;
+                if (kwds2) {
+                    PyObject *value = kwvalues[pos];
+                    if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+                } else if (!ignore_unknown_kwargs) {
+                    goto invalid_keyword;
+                }
+            }
+        }
+        #if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(key);
+        key = NULL;
+        #endif
+    }
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    goto bad;
+bad:
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(key);
+    #endif
+    return -1;
+}
+
+/* ParseKeywords */
+static int __Pyx_ParseKeywords(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds)))
+        return __Pyx_ParseKeywordsTuple(kwds, kwvalues, argnames, kwds2, values, num_pos_args, num_kwargs, function_name, ignore_unknown_kwargs);
+    else if (kwds2)
+        return __Pyx_ParseKeywordDictToDict(kwds, argnames, kwds2, values, num_pos_args, function_name);
+    else
+        return __Pyx_ParseKeywordDict(kwds, argnames, values, num_pos_args, num_kwargs, function_name, ignore_unknown_kwargs);
+}
+
+/* ArgTypeTestFunc (used by ArgTypeTest) */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
+{
+    __Pyx_TypeName type_name;
+    __Pyx_TypeName obj_type_name;
+    PyObject *extra_info = __pyx_mstate_global->__pyx_empty_unicode;
+    int from_annotation_subclass = 0;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    else if (!exact) {
+        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
+    } else if (exact == 2) {
+        if (__Pyx_TypeCheck(obj, type)) {
+            from_annotation_subclass = 1;
+            extra_info = __pyx_mstate_global->__pyx_kp_u_Note_that_Cython_is_deliberately;
+        }
+    }
+    type_name = __Pyx_PyType_GetFullyQualifiedName(type);
+    obj_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%.200s' has incorrect type (expected " __Pyx_FMT_TYPENAME
+        ", got " __Pyx_FMT_TYPENAME ")"
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+        "%s%U"
+#endif
+        , name, type_name, obj_type_name
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+        , (from_annotation_subclass ? ". " : ""), extra_info
+#endif
+        );
+#if __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    if (exact == 2 && from_annotation_subclass) {
+        PyObject *res;
+        PyObject *vargs[2];
+        vargs[0] = PyErr_GetRaisedException();
+        vargs[1] = extra_info;
+        res = PyObject_VectorcallMethod(__pyx_mstate_global->__pyx_kp_u_add_note, vargs, 2, NULL);
+        Py_XDECREF(res);
+        PyErr_SetRaisedException(vargs[0]);
+    }
+#endif
+    __Pyx_DECREF_TypeName(type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
+}
+
+/* PyLongCompare */
+static CYTHON_INLINE int __Pyx_PyLong_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace) {
+    CYTHON_MAYBE_UNUSED_VAR(intval);
+    CYTHON_UNUSED_VAR(inplace);
+    if (op1 == op2) {
+        return 1;
+    }
+    #if CYTHON_USE_PYLONG_INTERNALS
+    if (likely(PyLong_CheckExact(op1))) {
+        int unequal;
+        unsigned long uintval;
+        Py_ssize_t size = __Pyx_PyLong_DigitCount(op1);
+        const digit* digits = __Pyx_PyLong_Digits(op1);
+        if (intval == 0) {
+            return (__Pyx_PyLong_IsZero(op1) == 1);
+        } else if (intval < 0) {
+            if (__Pyx_PyLong_IsNonNeg(op1))
+                return 0;
+            intval = -intval;
+        } else {
+            if (__Pyx_PyLong_IsNeg(op1))
+                return 0;
+        }
+        uintval = (unsigned long) intval;
+#if PyLong_SHIFT * 4 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 4)) {
+            unequal = (size != 5) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[4] != ((uintval >> (4 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 3 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 3)) {
+            unequal = (size != 4) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 2 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 2)) {
+            unequal = (size != 3) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 1 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 1)) {
+            unequal = (size != 2) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+            unequal = (size != 1) || (((unsigned long) digits[0]) != (uintval & (unsigned long) PyLong_MASK));
+        return (unequal == 0);
+    }
+    #endif
+    if (PyFloat_CheckExact(op1)) {
+        const long b = intval;
+        double a = __Pyx_PyFloat_AS_DOUBLE(op1);
+        return ((double)a == (double)b);
+    }
+    return __Pyx_PyObject_IsTrueAndDecref(
+        PyObject_RichCompare(op1, op2, Py_EQ));
+}
+
+/* GetTopmostException (used by SaveResetException) */
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
+static _PyErr_StackItem *
+__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
+{
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    while ((exc_info->exc_value == NULL || exc_info->exc_value == Py_None) &&
+           exc_info->previous_item != NULL)
+    {
+        exc_info = exc_info->previous_item;
+    }
+    return exc_info;
+}
+#endif
+
+/* SaveResetException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    PyObject *exc_value = exc_info->exc_value;
+    if (exc_value == NULL || exc_value == Py_None) {
+        *value = NULL;
+        *type = NULL;
+        *tb = NULL;
+    } else {
+        *value = exc_value;
+        Py_INCREF(*value);
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        *tb = PyException_GetTraceback(exc_value);
+    }
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    *type = exc_info->exc_type;
+    *value = exc_info->exc_value;
+    *tb = exc_info->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #else
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #endif
+}
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    PyObject *tmp_value = exc_info->exc_value;
+    exc_info->exc_value = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+  #else
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    #if CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = type;
+    exc_info->exc_value = value;
+    exc_info->exc_traceback = tb;
+    #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+  #endif
+}
+#endif
+
+/* PyErrExceptionMatches */
+#if CYTHON_FAST_THREAD_STATE
+static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    n = PyTuple_GET_SIZE(tuple);
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    }
+    for (i=0; i<n; i++) {
+        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
+    int result;
+    PyObject *exc_type;
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *current_exception = tstate->current_exception;
+    if (unlikely(!current_exception)) return 0;
+    exc_type = (PyObject*) Py_TYPE(current_exception);
+    if (exc_type == err) return 1;
+#else
+    exc_type = tstate->curexc_type;
+    if (exc_type == err) return 1;
+    if (unlikely(!exc_type)) return 0;
+#endif
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_INCREF(exc_type);
+    #endif
+    if (unlikely(PyTuple_Check(err))) {
+        result = __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
+    } else {
+        result = __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
+    }
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_DECREF(exc_type);
+    #endif
+    return result;
+}
+#endif
+
+/* GetException */
+#if CYTHON_FAST_THREAD_STATE
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+#endif
+{
+    PyObject *local_type = NULL, *local_value, *local_tb = NULL;
+#if CYTHON_FAST_THREAD_STATE
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if PY_VERSION_HEX >= 0x030C0000
+    local_value = tstate->current_exception;
+    tstate->current_exception = 0;
+  #else
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+  #endif
+#elif __PYX_LIMITED_VERSION_HEX > 0x030C0000
+    local_value = PyErr_GetRaisedException();
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+#if __PYX_LIMITED_VERSION_HEX > 0x030C0000
+    if (likely(local_value)) {
+        local_type = (PyObject*) Py_TYPE(local_value);
+        Py_INCREF(local_type);
+        local_tb = PyException_GetTraceback(local_value);
+    }
+#else
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_FAST_THREAD_STATE
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
+        goto bad;
+    if (local_tb) {
+        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+            goto bad;
+    }
+#endif // __PYX_LIMITED_VERSION_HEX > 0x030C0000
+    Py_XINCREF(local_tb);
+    Py_XINCREF(local_type);
+    Py_XINCREF(local_value);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_FAST_THREAD_STATE
+    #if CYTHON_USE_EXC_INFO_STACK
+    {
+        _PyErr_StackItem *exc_info = tstate->exc_info;
+      #if PY_VERSION_HEX >= 0x030B00a4
+        tmp_value = exc_info->exc_value;
+        exc_info->exc_value = local_value;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+        Py_XDECREF(local_type);
+        Py_XDECREF(local_tb);
+      #else
+        tmp_type = exc_info->exc_type;
+        tmp_value = exc_info->exc_value;
+        tmp_tb = exc_info->exc_traceback;
+        exc_info->exc_type = local_type;
+        exc_info->exc_value = local_value;
+        exc_info->exc_traceback = local_tb;
+      #endif
+    }
+    #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
+    #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030b0000
+    PyErr_SetHandledException(local_value);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
+    return 0;
+#if __PYX_LIMITED_VERSION_HEX <= 0x030C0000
+bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
+    return -1;
+#endif
+}
+
+/* SwapException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_value = exc_info->exc_value;
+    exc_info->exc_value = *value;
+    if (tmp_value == NULL || tmp_value == Py_None) {
+        Py_XDECREF(tmp_value);
+        tmp_value = NULL;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+    } else {
+        tmp_type = (PyObject*) Py_TYPE(tmp_value);
+        Py_INCREF(tmp_type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        tmp_tb = ((PyBaseExceptionObject*) tmp_value)->traceback;
+        Py_XINCREF(tmp_tb);
+        #else
+        tmp_tb = PyException_GetTraceback(tmp_value);
+        #endif
+    }
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = *type;
+    exc_info->exc_value = *value;
+    exc_info->exc_traceback = *tb;
+  #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = *type;
+    tstate->exc_value = *value;
+    tstate->exc_traceback = *tb;
+  #endif
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
+}
+#else
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
+}
+#endif
+
+/* AllocateExtensionType */
+static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final) {
+    if (is_final || likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
+        allocfunc alloc_func = __Pyx_PyType_GetSlot(t, tp_alloc, allocfunc);
+        return alloc_func(t, 0);
+    } else {
+        newfunc tp_new = __Pyx_PyType_TryGetSlot(&PyBaseObject_Type, tp_new, newfunc);
+    #if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+        if (!tp_new) {
+            PyObject *new_str = PyUnicode_FromString("__new__");
+            if (likely(new_str)) {
+                PyObject *o = PyObject_CallMethodObjArgs((PyObject *)&PyBaseObject_Type, new_str, t, NULL);
+                Py_DECREF(new_str);
+                return o;
+            } else
+                return NULL;
+        } else
+    #endif
+        return tp_new(t, __pyx_mstate_global->__pyx_empty_tuple, 0);
+    }
+}
+
+/* CallTypeTraverse */
+#if !CYTHON_USE_TYPE_SPECS || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x03090000)
+#else
+static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg) {
+    #if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x03090000
+    if (__Pyx_get_runtime_version() < 0x03090000) return 0;
+    #endif
+    if (!always_call) {
+        PyTypeObject *base = __Pyx_PyObject_GetSlot(o, tp_base, PyTypeObject*);
+        unsigned long flags = PyType_GetFlags(base);
+        if (flags & Py_TPFLAGS_HEAPTYPE) {
+            return 0;
+        }
+    }
+    Py_VISIT((PyObject*)Py_TYPE(o));
+    return 0;
+}
+#endif
+
+/* LimitedApiGetTypeDict (used by SetItemOnTypeDict) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static Py_ssize_t __Pyx_GetTypeDictOffset(void) {
+    PyObject *tp_dictoffset_o;
+    Py_ssize_t tp_dictoffset;
+    tp_dictoffset_o = PyObject_GetAttrString((PyObject*)(&PyType_Type), "__dictoffset__");
+    if (unlikely(!tp_dictoffset_o)) return -1;
+    tp_dictoffset = PyLong_AsSsize_t(tp_dictoffset_o);
+    Py_DECREF(tp_dictoffset_o);
+    if (unlikely(tp_dictoffset == 0)) {
+        PyErr_SetString(
+            PyExc_TypeError,
+            "'type' doesn't have a dictoffset");
+        return -1;
+    } else if (unlikely(tp_dictoffset < 0)) {
+        PyErr_SetString(
+            PyExc_TypeError,
+            "'type' has an unexpected negative dictoffset. "
+            "Please report this as Cython bug");
+        return -1;
+    }
+    return tp_dictoffset;
+}
+static PyObject *__Pyx_GetTypeDict(PyTypeObject *tp) {
+    static Py_ssize_t tp_dictoffset = 0;
+    if (unlikely(tp_dictoffset == 0)) {
+        tp_dictoffset = __Pyx_GetTypeDictOffset();
+        if (unlikely(tp_dictoffset == -1 && PyErr_Occurred())) {
+            tp_dictoffset = 0; // try again next time?
+            return NULL;
+        }
+    }
+    return *(PyObject**)((char*)tp + tp_dictoffset);
+}
+#endif
+
+/* SetItemOnTypeDict (used by FixUpExtensionType) */
+static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v) {
+    int result;
+    PyObject *tp_dict;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    tp_dict = __Pyx_GetTypeDict(tp);
+    if (unlikely(!tp_dict)) return -1;
+#else
+    tp_dict = tp->tp_dict;
+#endif
+    result = PyDict_SetItem(tp_dict, k, v);
+    if (likely(!result)) {
+        PyType_Modified(tp);
+        if (unlikely(PyObject_HasAttr(v, __pyx_mstate_global->__pyx_n_u_set_name))) {
+            PyObject *setNameResult = PyObject_CallMethodObjArgs(v, __pyx_mstate_global->__pyx_n_u_set_name,  (PyObject *) tp, k, NULL);
+            if (!setNameResult) return -1;
+            Py_DECREF(setNameResult);
+        }
+    }
+    return result;
+}
+
+/* FixUpExtensionType */
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type) {
+#if __PYX_LIMITED_VERSION_HEX > 0x030900B1
+    CYTHON_UNUSED_VAR(spec);
+    CYTHON_UNUSED_VAR(type);
+    CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+#else
+    const PyType_Slot *slot = spec->slots;
+    int changed = 0;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    while (slot && slot->slot && slot->slot != Py_tp_members)
+        slot++;
+    if (slot && slot->slot == Py_tp_members) {
+#if !CYTHON_COMPILING_IN_CPYTHON
+        const
+#endif  // !CYTHON_COMPILING_IN_CPYTHON)
+            PyMemberDef *memb = (PyMemberDef*) slot->pfunc;
+        while (memb && memb->name) {
+            if (memb->name[0] == '_' && memb->name[1] == '_') {
+                if (strcmp(memb->name, "__weaklistoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_weaklistoffset = memb->offset;
+                    changed = 1;
+                }
+                else if (strcmp(memb->name, "__dictoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_dictoffset = memb->offset;
+                    changed = 1;
+                }
+#if CYTHON_METH_FASTCALL
+                else if (strcmp(memb->name, "__vectorcalloffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_vectorcall_offset = memb->offset;
+                    changed = 1;
+                }
+#endif  // CYTHON_METH_FASTCALL
+#if !CYTHON_COMPILING_IN_PYPY
+                else if (strcmp(memb->name, "__module__") == 0) {
+                    PyObject *descr;
+                    assert(memb->type == T_OBJECT);
+                    assert(memb->flags == 0 || memb->flags == READONLY);
+                    descr = PyDescr_NewMember(type, memb);
+                    if (unlikely(!descr))
+                        return -1;
+                    int set_item_result = PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr);
+                    Py_DECREF(descr);
+                    if (unlikely(set_item_result < 0)) {
+                        return -1;
+                    }
+                    changed = 1;
+                }
+#endif  // !CYTHON_COMPILING_IN_PYPY
+            }
+            memb++;
+        }
+    }
+#endif  // !CYTHON_COMPILING_IN_LIMITED_API
+#if !CYTHON_COMPILING_IN_PYPY
+    slot = spec->slots;
+    while (slot && slot->slot && slot->slot != Py_tp_getset)
+        slot++;
+    if (slot && slot->slot == Py_tp_getset) {
+        PyGetSetDef *getset = (PyGetSetDef*) slot->pfunc;
+        while (getset && getset->name) {
+            if (getset->name[0] == '_' && getset->name[1] == '_' && strcmp(getset->name, "__module__") == 0) {
+                PyObject *descr = PyDescr_NewGetSet(type, getset);
+                if (unlikely(!descr))
+                    return -1;
+                #if CYTHON_COMPILING_IN_LIMITED_API
+                PyObject *pyname = PyUnicode_FromString(getset->name);
+                if (unlikely(!pyname)) {
+                    Py_DECREF(descr);
+                    return -1;
+                }
+                int set_item_result = __Pyx_SetItemOnTypeDict(type, pyname, descr);
+                Py_DECREF(pyname);
+                #else
+                CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+                int set_item_result = PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr);
+                #endif
+                Py_DECREF(descr);
+                if (unlikely(set_item_result < 0)) {
+                    return -1;
+                }
+                changed = 1;
+            }
+            ++getset;
+        }
+    }
+#else
+    CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+#endif  // !CYTHON_COMPILING_IN_PYPY
+    if (changed)
+        PyType_Modified(type);
+#endif  // PY_VERSION_HEX > 0x030900B1
+    return 0;
+}
+
+/* PyObjectCallNoArg (used by PyObjectCallMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
+    PyObject *arg[2] = {NULL, NULL};
+    return __Pyx_PyObject_FastCall(func, arg + 1, 0 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
+/* PyObjectGetMethod (used by PyObjectCallMethod0) */
+#if !(CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000)))
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
+    PyObject *attr;
+#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
+    __Pyx_TypeName type_name;
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyObject *descr;
+    descrgetfunc f = NULL;
+    PyObject **dictptr, *dict;
+    int meth_found = 0;
+    assert (*method == NULL);
+    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
+        attr = __Pyx_PyObject_GetAttrStr(obj, name);
+        goto try_unpack;
+    }
+    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
+        return 0;
+    }
+    descr = _PyType_Lookup(tp, name);
+    if (likely(descr != NULL)) {
+        Py_INCREF(descr);
+#if defined(Py_TPFLAGS_METHOD_DESCRIPTOR) && Py_TPFLAGS_METHOD_DESCRIPTOR
+        if (__Pyx_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
+#else
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type)))
+        #endif
+#endif
+        {
+            meth_found = 1;
+        } else {
+            f = Py_TYPE(descr)->tp_descr_get;
+            if (f != NULL && PyDescr_IsData(descr)) {
+                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+                Py_DECREF(descr);
+                goto try_unpack;
+            }
+        }
+    }
+    dictptr = _PyObject_GetDictPtr(obj);
+    if (dictptr != NULL && (dict = *dictptr) != NULL) {
+        Py_INCREF(dict);
+        attr = __Pyx_PyDict_GetItemStr(dict, name);
+        if (attr != NULL) {
+            Py_INCREF(attr);
+            Py_DECREF(dict);
+            Py_XDECREF(descr);
+            goto try_unpack;
+        }
+        Py_DECREF(dict);
+    }
+    if (meth_found) {
+        *method = descr;
+        return 1;
+    }
+    if (f != NULL) {
+        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+        Py_DECREF(descr);
+        goto try_unpack;
+    }
+    if (likely(descr != NULL)) {
+        *method = descr;
+        return 0;
+    }
+    type_name = __Pyx_PyType_GetFullyQualifiedName(tp);
+    PyErr_Format(PyExc_AttributeError,
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, name);
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+#else
+    attr = __Pyx_PyObject_GetAttrStr(obj, name);
+    goto try_unpack;
+#endif
+try_unpack:
+#if CYTHON_UNPACK_METHODS
+    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
+        PyObject *function = PyMethod_GET_FUNCTION(attr);
+        Py_INCREF(function);
+        Py_DECREF(attr);
+        *method = function;
+        return 1;
+    }
+#endif
+    *method = attr;
+    return 0;
+}
+#endif
+
+/* PyObjectCallMethod0 (used by PyType_Ready) */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
+#if CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000))
+    PyObject *args[1] = {obj};
+    (void) __Pyx_PyObject_CallOneArg;
+    (void) __Pyx_PyObject_CallNoArg;
+    return PyObject_VectorcallMethod(method_name, args, 1 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+#else
+    PyObject *method = NULL, *result = NULL;
+    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
+    if (likely(is_method)) {
+        result = __Pyx_PyObject_CallOneArg(method, obj);
+        Py_DECREF(method);
+        return result;
+    }
+    if (unlikely(!method)) goto bad;
+    result = __Pyx_PyObject_CallNoArg(method);
+    Py_DECREF(method);
+bad:
+    return result;
+#endif
+}
+
+/* ValidateBasesTuple (used by PyType_Ready) */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases) {
+    Py_ssize_t i, n;
+#if CYTHON_ASSUME_SAFE_SIZE
+    n = PyTuple_GET_SIZE(bases);
+#else
+    n = PyTuple_Size(bases);
+    if (unlikely(n < 0)) return -1;
+#endif
+    for (i = 1; i < n; i++)
+    {
+        PyTypeObject *b;
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *b0 = PySequence_GetItem(bases, i);
+        if (!b0) return -1;
+#elif CYTHON_ASSUME_SAFE_MACROS
+        PyObject *b0 = PyTuple_GET_ITEM(bases, i);
+#else
+        PyObject *b0 = PyTuple_GetItem(bases, i);
+        if (!b0) return -1;
+#endif
+        b = (PyTypeObject*) b0;
+        if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
+        {
+            __Pyx_TypeName b_name = __Pyx_PyType_GetFullyQualifiedName(b);
+            PyErr_Format(PyExc_TypeError,
+                "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b_name);
+            __Pyx_DECREF_TypeName(b_name);
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
+            return -1;
+        }
+        if (dictoffset == 0)
+        {
+            Py_ssize_t b_dictoffset = 0;
+#if CYTHON_USE_TYPE_SLOTS
+            b_dictoffset = b->tp_dictoffset;
+#else
+            PyObject *py_b_dictoffset = PyObject_GetAttrString((PyObject*)b, "__dictoffset__");
+            if (!py_b_dictoffset) goto dictoffset_return;
+            b_dictoffset = PyLong_AsSsize_t(py_b_dictoffset);
+            Py_DECREF(py_b_dictoffset);
+            if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
+#endif
+            if (b_dictoffset) {
+                {
+                    __Pyx_TypeName b_name = __Pyx_PyType_GetFullyQualifiedName(b);
+                    PyErr_Format(PyExc_TypeError,
+                        "extension type '%.200s' has no __dict__ slot, "
+                        "but base type '" __Pyx_FMT_TYPENAME "' has: "
+                        "either add 'cdef dict __dict__' to the extension type "
+                        "or add '__slots__ = [...]' to the base type",
+                        type_name, b_name);
+                    __Pyx_DECREF_TypeName(b_name);
+                }
+#if !CYTHON_USE_TYPE_SLOTS
+              dictoffset_return:
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(b0);
+#endif
+                return -1;
+            }
+        }
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(b0);
+#endif
+    }
+    return 0;
+}
+#endif
+
+/* PyType_Ready */
+CYTHON_UNUSED static int __Pyx_PyType_HasMultipleInheritance(PyTypeObject *t) {
+    while (t) {
+        PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+        if (bases) {
+            return 1;
+        }
+        t = __Pyx_PyType_GetSlot(t, tp_base, PyTypeObject*);
+    }
+    return 0;
+}
+static int __Pyx_PyType_Ready(PyTypeObject *t) {
+#if CYTHON_USE_TYPE_SPECS || !CYTHON_COMPILING_IN_CPYTHON || defined(PYSTON_MAJOR_VERSION)
+    (void)__Pyx_PyObject_CallMethod0;
+#if CYTHON_USE_TYPE_SPECS
+    (void)__Pyx_validate_bases_tuple;
+#endif
+    return PyType_Ready(t);
+#else
+    int r;
+    if (!__Pyx_PyType_HasMultipleInheritance(t)) {
+        return PyType_Ready(t);
+    }
+    PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+    if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset, bases) == -1))
+        return -1;
+#if !defined(PYSTON_MAJOR_VERSION)
+    {
+        int gc_was_enabled;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        gc_was_enabled = PyGC_Disable();
+        (void)__Pyx_PyObject_CallMethod0;
+    #else
+        PyObject *ret, *py_status;
+        PyObject *gc = NULL;
+        #if (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400) &&\
+                !CYTHON_COMPILING_IN_GRAAL
+        gc = PyImport_GetModule(__pyx_mstate_global->__pyx_kp_u_gc);
+        #endif
+        if (unlikely(!gc)) gc = PyImport_Import(__pyx_mstate_global->__pyx_kp_u_gc);
+        if (unlikely(!gc)) return -1;
+        py_status = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_isenabled);
+        if (unlikely(!py_status)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+        gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
+        Py_DECREF(py_status);
+        if (gc_was_enabled > 0) {
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_disable);
+            if (unlikely(!ret)) {
+                Py_DECREF(gc);
+                return -1;
+            }
+            Py_DECREF(ret);
+        } else if (unlikely(gc_was_enabled == -1)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+    #endif
+        t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
+#if PY_VERSION_HEX >= 0x030A0000
+        t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
+#endif
+#else
+        (void)__Pyx_PyObject_CallMethod0;
+#endif
+    r = PyType_Ready(t);
+#if !defined(PYSTON_MAJOR_VERSION)
+        t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        if (gc_was_enabled)
+            PyGC_Enable();
+    #else
+        if (gc_was_enabled) {
+            PyObject *tp, *v, *tb;
+            PyErr_Fetch(&tp, &v, &tb);
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_enable);
+            if (likely(ret || r == -1)) {
+                Py_XDECREF(ret);
+                PyErr_Restore(tp, v, tb);
+            } else {
+                Py_XDECREF(tp);
+                Py_XDECREF(v);
+                Py_XDECREF(tb);
+                r = -1;
+            }
+        }
+        Py_DECREF(gc);
+    #endif
+    }
+#endif
+    return r;
+#endif
+}
+
+/* DelItemOnTypeDict (used by SetupReduce) */
+static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k) {
+    int result;
+    PyObject *tp_dict;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    tp_dict = __Pyx_GetTypeDict(tp);
+    if (unlikely(!tp_dict)) return -1;
+#else
+    tp_dict = tp->tp_dict;
+#endif
+    result = PyDict_DelItem(tp_dict, k);
+    if (likely(!result)) PyType_Modified(tp);
+    return result;
+}
+
+/* PyObjectGetAttrStrNoError (used by SetupReduce) */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d0000
+static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        __Pyx_PyErr_Clear();
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+    PyObject *result;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    (void) PyObject_GetOptionalAttr(obj, attr_name, &result);
+    return result;
+#else
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
+        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    }
+#endif
+    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
+    if (unlikely(!result)) {
+        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    }
+    return result;
+#endif
+}
+
+/* SetupReduce */
+static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
+  int ret;
+  PyObject *name_attr;
+  name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, __pyx_mstate_global->__pyx_n_u_name);
+  if (likely(name_attr)) {
+      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
+  } else {
+      ret = -1;
+  }
+  if (unlikely(ret < 0)) {
+      PyErr_Clear();
+      ret = 0;
+  }
+  Py_XDECREF(name_attr);
+  return ret;
+}
+static int __Pyx_setup_reduce(PyObject* type_obj) {
+    int ret = 0;
+    PyObject *object_reduce = NULL;
+    PyObject *object_getstate = NULL;
+    PyObject *object_reduce_ex = NULL;
+    PyObject *reduce = NULL;
+    PyObject *reduce_ex = NULL;
+    PyObject *reduce_cython = NULL;
+    PyObject *setstate = NULL;
+    PyObject *setstate_cython = NULL;
+    PyObject *getstate = NULL;
+#if CYTHON_USE_PYTYPE_LOOKUP
+    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_getstate);
+#else
+    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_getstate);
+    if (!getstate && PyErr_Occurred()) {
+        goto __PYX_BAD;
+    }
+#endif
+    if (getstate) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_getstate);
+#else
+        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_getstate);
+        if (!object_getstate && PyErr_Occurred()) {
+            goto __PYX_BAD;
+        }
+#endif
+        if (object_getstate != getstate) {
+            goto __PYX_GOOD;
+        }
+    }
+#if CYTHON_USE_PYTYPE_LOOKUP
+    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#else
+    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#endif
+    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
+    if (reduce_ex == object_reduce_ex) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce); if (!object_reduce) goto __PYX_BAD;
+#else
+        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce); if (!object_reduce) goto __PYX_BAD;
+#endif
+        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_mstate_global->__pyx_n_u_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
+        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_mstate_global->__pyx_n_u_reduce_cython)) {
+            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_reduce_cython);
+            if (likely(reduce_cython)) {
+                ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+            } else if (reduce == object_reduce || PyErr_Occurred()) {
+                goto __PYX_BAD;
+            }
+            setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_setstate);
+            if (!setstate) PyErr_Clear();
+            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_mstate_global->__pyx_n_u_setstate_cython)) {
+                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_setstate_cython);
+                if (likely(setstate_cython)) {
+                    ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                    ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                } else if (!setstate || PyErr_Occurred()) {
+                    goto __PYX_BAD;
+                }
+            }
+            PyType_Modified((PyTypeObject*)type_obj);
+        }
+    }
+    goto __PYX_GOOD;
+__PYX_BAD:
+    if (!PyErr_Occurred()) {
+        __Pyx_TypeName type_obj_name =
+            __Pyx_PyType_GetFullyQualifiedName((PyTypeObject*)type_obj);
+        PyErr_Format(PyExc_RuntimeError,
+            "Unable to initialize pickling for " __Pyx_FMT_TYPENAME, type_obj_name);
+        __Pyx_DECREF_TypeName(type_obj_name);
+    }
+    ret = -1;
+__PYX_GOOD:
+#if !CYTHON_USE_PYTYPE_LOOKUP
+    Py_XDECREF(object_reduce);
+    Py_XDECREF(object_reduce_ex);
+    Py_XDECREF(object_getstate);
+    Py_XDECREF(getstate);
+#endif
+    Py_XDECREF(reduce);
+    Py_XDECREF(reduce_ex);
+    Py_XDECREF(reduce_cython);
+    Py_XDECREF(setstate);
+    Py_XDECREF(setstate_cython);
+    return ret;
+}
+
+/* TypeImport */
+#ifndef __PYX_HAVE_RT_ImportType_3_2_4
+#define __PYX_HAVE_RT_ImportType_3_2_4
+static PyTypeObject *__Pyx_ImportType_3_2_4(PyObject *module, const char *module_name, const char *class_name,
+    size_t size, size_t alignment, enum __Pyx_ImportType_CheckSize_3_2_4 check_size)
+{
+    PyObject *result = 0;
+    Py_ssize_t basicsize;
+    Py_ssize_t itemsize;
+#if defined(Py_LIMITED_API) || (defined(CYTHON_COMPILING_IN_LIMITED_API) && CYTHON_COMPILING_IN_LIMITED_API)
+    PyObject *py_basicsize;
+    PyObject *py_itemsize;
+#endif
+    result = PyObject_GetAttrString(module, class_name);
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s.%.200s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+#if !( defined(Py_LIMITED_API) || (defined(CYTHON_COMPILING_IN_LIMITED_API) && CYTHON_COMPILING_IN_LIMITED_API) )
+    basicsize = ((PyTypeObject *)result)->tp_basicsize;
+    itemsize = ((PyTypeObject *)result)->tp_itemsize;
+#else
+    if (size == 0) {
+        return (PyTypeObject *)result;
+    }
+    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
+    if (!py_basicsize)
+        goto bad;
+    basicsize = PyLong_AsSsize_t(py_basicsize);
+    Py_DECREF(py_basicsize);
+    py_basicsize = 0;
+    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
+        goto bad;
+    py_itemsize = PyObject_GetAttrString(result, "__itemsize__");
+    if (!py_itemsize)
+        goto bad;
+    itemsize = PyLong_AsSsize_t(py_itemsize);
+    Py_DECREF(py_itemsize);
+    py_itemsize = 0;
+    if (itemsize == (Py_ssize_t)-1 && PyErr_Occurred())
+        goto bad;
+#endif
+    if (itemsize) {
+        if (size % alignment) {
+            alignment = size % alignment;
+        }
+        if (itemsize < (Py_ssize_t)alignment)
+            itemsize = (Py_ssize_t)alignment;
+    }
+    if ((size_t)(basicsize + itemsize) < size) {
+        PyErr_Format(PyExc_ValueError,
+            "%.200s.%.200s size changed, may indicate binary incompatibility. "
+            "Expected %zd from C header, got %zd from PyObject",
+            module_name, class_name, size, basicsize+itemsize);
+        goto bad;
+    }
+    if (check_size == __Pyx_ImportType_CheckSize_Error_3_2_4 &&
+            ((size_t)basicsize > size || (size_t)(basicsize + itemsize) < size)) {
+        PyErr_Format(PyExc_ValueError,
+            "%.200s.%.200s size changed, may indicate binary incompatibility. "
+            "Expected %zd from C header, got %zd-%zd from PyObject",
+            module_name, class_name, size, basicsize, basicsize+itemsize);
+        goto bad;
+    }
+    else if (check_size == __Pyx_ImportType_CheckSize_Warn_3_2_4 && (size_t)basicsize > size) {
+        if (PyErr_WarnFormat(NULL, 0,
+                "%.200s.%.200s size changed, may indicate binary incompatibility. "
+                "Expected %zd from C header, got %zd from PyObject",
+                module_name, class_name, size, basicsize) < 0) {
+            goto bad;
+        }
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+/* dict_setdefault (used by FetchCommonType) */
+static CYTHON_INLINE PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value) {
+    PyObject* value;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030F0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d00A4)
+    PyDict_SetDefaultRef(d, key, default_value, &value);
+#elif CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    PyObject *args[] = {d, key, default_value};
+    value = PyObject_VectorcallMethod(__pyx_mstate_global->__pyx_n_u_setdefault, args, 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+#elif CYTHON_COMPILING_IN_LIMITED_API
+    value = PyObject_CallMethodObjArgs(d, __pyx_mstate_global->__pyx_n_u_setdefault, key, default_value, NULL);
+#else
+    value = PyDict_SetDefault(d, key, default_value);
+    if (unlikely(!value)) return NULL;
+    Py_INCREF(value);
+#endif
+    return value;
+}
+
+/* AddModuleRef (used by FetchSharedCythonModule) */
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+  static PyObject *__Pyx_PyImport_AddModuleObjectRef(PyObject *name) {
+      PyObject *module_dict = PyImport_GetModuleDict();
+      PyObject *m;
+      if (PyMapping_GetOptionalItem(module_dict, name, &m) < 0) {
+          return NULL;
+      }
+      if (m != NULL && PyModule_Check(m)) {
+          return m;
+      }
+      Py_XDECREF(m);
+      m = PyModule_NewObject(name);
+      if (m == NULL)
+          return NULL;
+      if (PyDict_CheckExact(module_dict)) {
+          PyObject *new_m;
+          (void)PyDict_SetDefaultRef(module_dict, name, m, &new_m);
+          Py_DECREF(m);
+          return new_m;
+      } else {
+           if (PyObject_SetItem(module_dict, name, m) != 0) {
+                Py_DECREF(m);
+                return NULL;
+            }
+            return m;
+      }
+  }
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *py_name = PyUnicode_FromString(name);
+      if (!py_name) return NULL;
+      PyObject *module = __Pyx_PyImport_AddModuleObjectRef(py_name);
+      Py_DECREF(py_name);
+      return module;
+  }
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#else
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *module = PyImport_AddModule(name);
+      Py_XINCREF(module);
+      return module;
+  }
+#endif
+
+/* FetchSharedCythonModule (used by FetchCommonType) */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void) {
+    return __Pyx_PyImport_AddModuleRef(__PYX_ABI_MODULE_NAME);
+}
+
+/* FetchCommonType (used by CommonTypesMetaclass) */
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+static PyObject* __Pyx_PyType_FromMetaclass(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *result = __Pyx_PyType_FromModuleAndSpec(module, spec, bases);
+    if (result && metaclass) {
+        PyObject *old_tp = (PyObject*)Py_TYPE(result);
+    Py_INCREF((PyObject*)metaclass);
+#if __PYX_LIMITED_VERSION_HEX >= 0x03090000
+        Py_SET_TYPE(result, metaclass);
+#else
+        result->ob_type = metaclass;
+#endif
+        Py_DECREF(old_tp);
+    }
+    return result;
+}
+#else
+#define __Pyx_PyType_FromMetaclass(me, mo, s, b) PyType_FromMetaclass(me, mo, s, b)
+#endif
+static int __Pyx_VerifyCachedType(PyObject *cached_type,
+                               const char *name,
+                               Py_ssize_t expected_basicsize) {
+    Py_ssize_t basicsize;
+    if (!PyType_Check(cached_type)) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s is not a type object", name);
+        return -1;
+    }
+    if (expected_basicsize == 0) {
+        return 0; // size is inherited, nothing useful to check
+    }
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_basicsize;
+    py_basicsize = PyObject_GetAttrString(cached_type, "__basicsize__");
+    if (unlikely(!py_basicsize)) return -1;
+    basicsize = PyLong_AsSsize_t(py_basicsize);
+    Py_DECREF(py_basicsize);
+    py_basicsize = NULL;
+    if (unlikely(basicsize == (Py_ssize_t)-1) && PyErr_Occurred()) return -1;
+#else
+    basicsize = ((PyTypeObject*) cached_type)->tp_basicsize;
+#endif
+    if (basicsize != expected_basicsize) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s has the wrong size, try recompiling",
+            name);
+        return -1;
+    }
+    return 0;
+}
+static PyTypeObject *__Pyx_FetchCommonTypeFromSpec(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *abi_module = NULL, *cached_type = NULL, *abi_module_dict, *new_cached_type, *py_object_name;
+    int get_item_ref_result;
+    const char* object_name = strrchr(spec->name, '.');
+    object_name = object_name ? object_name+1 : spec->name;
+    py_object_name = PyUnicode_FromString(object_name);
+    if (!py_object_name) return NULL;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) goto done;
+    abi_module_dict = PyModule_GetDict(abi_module);
+    if (!abi_module_dict) goto done;
+    get_item_ref_result = __Pyx_PyDict_GetItemRef(abi_module_dict, py_object_name, &cached_type);
+    if (get_item_ref_result == 1) {
+        if (__Pyx_VerifyCachedType(
+              cached_type,
+              object_name,
+              spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    } else if (unlikely(get_item_ref_result == -1)) {
+        goto bad;
+    }
+    cached_type = __Pyx_PyType_FromMetaclass(
+        metaclass,
+        CYTHON_USE_MODULE_STATE ? module : abi_module,
+        spec, bases);
+    if (unlikely(!cached_type)) goto bad;
+    if (unlikely(__Pyx_fix_up_extension_type_from_spec(spec, (PyTypeObject *) cached_type) < 0)) goto bad;
+    new_cached_type = __Pyx_PyDict_SetDefault(abi_module_dict, py_object_name, cached_type);
+    if (unlikely(new_cached_type != cached_type)) {
+        if (unlikely(!new_cached_type)) goto bad;
+        Py_DECREF(cached_type);
+        cached_type = new_cached_type;
+        if (__Pyx_VerifyCachedType(
+                cached_type,
+                object_name,
+                spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    } else {
+        Py_DECREF(new_cached_type);
+    }
+done:
+    Py_XDECREF(abi_module);
+    Py_DECREF(py_object_name);
+    assert(cached_type == NULL || PyType_Check(cached_type));
+    return (PyTypeObject *) cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
+}
+
+/* CommonTypesMetaclass (used by CythonFunctionShared) */
+static PyObject* __pyx_CommonTypesMetaclass_get_module(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED void* context) {
+    return PyUnicode_FromString(__PYX_ABI_MODULE_NAME);
+}
+#if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+static PyObject* __pyx_CommonTypesMetaclass_call(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED PyObject *args, CYTHON_UNUSED PyObject *kwds) {
+    PyErr_SetString(PyExc_TypeError, "Cannot instantiate Cython internal types");
+    return NULL;
+}
+static int __pyx_CommonTypesMetaclass_setattr(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED PyObject *attr, CYTHON_UNUSED PyObject *value) {
+    PyErr_SetString(PyExc_TypeError, "Cython internal types are immutable");
+    return -1;
+}
+#endif
+static PyGetSetDef __pyx_CommonTypesMetaclass_getset[] = {
+    {"__module__", __pyx_CommonTypesMetaclass_get_module, NULL, NULL, NULL},
+    {0, 0, 0, 0, 0}
+};
+static PyType_Slot __pyx_CommonTypesMetaclass_slots[] = {
+    {Py_tp_getset, (void *)__pyx_CommonTypesMetaclass_getset},
+    #if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+    {Py_tp_call, (void*)__pyx_CommonTypesMetaclass_call},
+    {Py_tp_new, (void*)__pyx_CommonTypesMetaclass_call},
+    {Py_tp_setattro, (void*)__pyx_CommonTypesMetaclass_setattr},
+    #endif
+    {0, 0}
+};
+static PyType_Spec __pyx_CommonTypesMetaclass_spec = {
+    __PYX_TYPE_MODULE_PREFIX "_common_types_metatype",
+    0,
+    0,
+    Py_TPFLAGS_IMMUTABLETYPE |
+    Py_TPFLAGS_DISALLOW_INSTANTIATION |
+    Py_TPFLAGS_DEFAULT,
+    __pyx_CommonTypesMetaclass_slots
+};
+static int __pyx_CommonTypesMetaclass_init(PyObject *module) {
+    __pyx_mstatetype *mstate = __Pyx_PyModule_GetState(module);
+    PyObject *bases = PyTuple_Pack(1, &PyType_Type);
+    if (unlikely(!bases)) {
+        return -1;
+    }
+    mstate->__pyx_CommonTypesMetaclassType = __Pyx_FetchCommonTypeFromSpec(NULL, module, &__pyx_CommonTypesMetaclass_spec, bases);
+    Py_DECREF(bases);
+    if (unlikely(mstate->__pyx_CommonTypesMetaclassType == NULL)) {
+        return -1;
+    }
+    return 0;
+}
+
+/* PyMethodNew (used by CythonFunctionShared) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    #if __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    {
+        PyObject *args[] = {func, self};
+        result = PyObject_Vectorcall(__pyx_mstate_global->__Pyx_CachedMethodType, args, 2, NULL);
+    }
+    #else
+    result = PyObject_CallFunctionObjArgs(__pyx_mstate_global->__Pyx_CachedMethodType, func, self, NULL);
+    #endif
+    return result;
+}
+#else
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    return PyMethod_New(func, self);
+}
+#endif
+
+/* PyVectorcallFastCallDict (used by CythonFunctionShared) */
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    PyObject *res = NULL;
+    PyObject *kwnames;
+    PyObject **newargs;
+    PyObject **kwvalues;
+    Py_ssize_t i;
+    #if CYTHON_AVOID_BORROWED_REFS
+    PyObject *pos;
+    #else
+    Py_ssize_t pos;
+    #endif
+    size_t j;
+    PyObject *key, *value;
+    unsigned long keys_are_strings;
+    #if !CYTHON_ASSUME_SAFE_SIZE
+    Py_ssize_t nkw = PyDict_Size(kw);
+    if (unlikely(nkw == -1)) return NULL;
+    #else
+    Py_ssize_t nkw = PyDict_GET_SIZE(kw);
+    #endif
+    newargs = (PyObject **)PyMem_Malloc((nargs + (size_t)nkw) * sizeof(args[0]));
+    if (unlikely(newargs == NULL)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    for (j = 0; j < nargs; j++) newargs[j] = args[j];
+    kwnames = PyTuple_New(nkw);
+    if (unlikely(kwnames == NULL)) {
+        PyMem_Free(newargs);
+        return NULL;
+    }
+    kwvalues = newargs + nargs;
+    pos = 0;
+    i = 0;
+    keys_are_strings = Py_TPFLAGS_UNICODE_SUBCLASS;
+    while (__Pyx_PyDict_NextRef(kw, &pos, &key, &value)) {
+        keys_are_strings &=
+        #if CYTHON_COMPILING_IN_LIMITED_API
+            PyType_GetFlags(Py_TYPE(key));
+        #else
+            Py_TYPE(key)->tp_flags;
+        #endif
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(PyTuple_SetItem(kwnames, i, key) < 0)) goto cleanup;
+        #else
+        PyTuple_SET_ITEM(kwnames, i, key);
+        #endif
+        kwvalues[i] = value;
+        i++;
+    }
+    if (unlikely(!keys_are_strings)) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        goto cleanup;
+    }
+    res = vc(func, newargs, nargs, kwnames);
+cleanup:
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_DECREF(pos);
+    #endif
+    Py_DECREF(kwnames);
+    for (i = 0; i < nkw; i++)
+        Py_DECREF(kwvalues[i]);
+    PyMem_Free(newargs);
+    return res;
+}
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    Py_ssize_t kw_size =
+        likely(kw == NULL) ?
+        0 :
+#if !CYTHON_ASSUME_SAFE_SIZE
+        PyDict_Size(kw);
+#else
+        PyDict_GET_SIZE(kw);
+#endif
+    if (kw_size == 0) {
+        return vc(func, args, nargs, NULL);
+    }
+#if !CYTHON_ASSUME_SAFE_SIZE
+    else if (unlikely(kw_size == -1)) {
+        return NULL;
+    }
+#endif
+    return __Pyx_PyVectorcall_FastCallDict_kw(func, vc, args, nargs, kw);
+}
+#endif
+
+/* CythonFunctionShared (used by CythonFunction) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunctionNoMethod(PyObject *func, void (*cfunc)(void)) {
+    if (__Pyx_CyFunction_Check(func)) {
+        return PyCFunction_GetFunction(((__pyx_CyFunctionObject*)func)->func) == (PyCFunction) cfunc;
+    } else if (PyCFunction_Check(func)) {
+        return PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void)) {
+    if ((PyObject*)Py_TYPE(func) == __pyx_mstate_global->__Pyx_CachedMethodType) {
+        int result;
+        PyObject *newFunc = PyObject_GetAttr(func, __pyx_mstate_global->__pyx_n_u_func);
+        if (unlikely(!newFunc)) {
+            PyErr_Clear(); // It's only an optimization, so don't throw an error
+            return 0;
+        }
+        result = __Pyx__IsSameCyOrCFunctionNoMethod(newFunc, cfunc);
+        Py_DECREF(newFunc);
+        return result;
+    }
+    return __Pyx__IsSameCyOrCFunctionNoMethod(func, cfunc);
+}
+#else
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void)) {
+    if (PyMethod_Check(func)) {
+        func = PyMethod_GET_FUNCTION(func);
+    }
+    return __Pyx_CyOrPyCFunction_Check(func) && __Pyx_CyOrPyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+}
+#endif
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj) {
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    __Pyx_Py_XDECREF_SET(
+        __Pyx_CyFunction_GetClassObj(f),
+            ((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#else
+    __Pyx_Py_XDECREF_SET(
+        ((PyCMethodObject *) (f))->mm_class,
+        (PyTypeObject*)((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#endif
+}
+static PyObject *
+__Pyx_CyFunction_get_doc_locked(__pyx_CyFunctionObject *op)
+{
+    if (unlikely(op->func_doc == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_doc = PyObject_GetAttrString(op->func, "__doc__");
+        if (unlikely(!op->func_doc)) return NULL;
+#else
+        if (((PyCFunctionObject*)op)->m_ml->ml_doc) {
+            op->func_doc = PyUnicode_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+            if (unlikely(op->func_doc == NULL))
+                return NULL;
+        } else {
+            Py_INCREF(Py_None);
+            return Py_None;
+        }
+#endif
+    }
+    Py_INCREF(op->func_doc);
+    return op->func_doc;
+}
+static PyObject *
+__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, void *closure) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(closure);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_doc_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (value == NULL) {
+        value = Py_None;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_doc, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_name_locked(__pyx_CyFunctionObject *op)
+{
+    if (unlikely(op->func_name == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_name = PyObject_GetAttrString(op->func, "__name__");
+#else
+        op->func_name = PyUnicode_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#endif
+        if (unlikely(op->func_name == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_name);
+    return op->func_name;
+}
+static PyObject *
+__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject *result = NULL;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_name_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_name, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    PyObject *result;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    Py_INCREF(op->func_qualname);
+    result = op->func_qualname;
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_qualname, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+static PyObject *
+__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_dict == NULL)) {
+        op->func_dict = PyDict_New();
+        if (unlikely(op->func_dict == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_dict);
+    return op->func_dict;
+}
+#endif
+static PyObject *
+__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_globals);
+    return op->func_globals;
+}
+static PyObject *
+__Pyx_CyFunction_get_closure(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(op);
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+static PyObject *
+__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject* result = (op->func_code) ? op->func_code : Py_None;
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
+    int result = 0;
+    PyObject *res = op->defaults_getter((PyObject *) op);
+    if (unlikely(!res))
+        return -1;
+    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
+    Py_INCREF(op->defaults_tuple);
+    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
+    Py_INCREF(op->defaults_kwdict);
+    #else
+    op->defaults_tuple = __Pyx_PySequence_ITEM(res, 0);
+    if (unlikely(!op->defaults_tuple)) result = -1;
+    else {
+        op->defaults_kwdict = __Pyx_PySequence_ITEM(res, 1);
+        if (unlikely(!op->defaults_kwdict)) result = -1;
+    }
+    #endif
+    Py_DECREF(res);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyTuple_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__defaults__ must be set to a tuple object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__defaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->defaults_tuple, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->defaults_tuple;
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_tuple;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = NULL;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_defaults_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__kwdefaults__ must be set to a dict object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__kwdefaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->defaults_kwdict, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->defaults_kwdict;
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_kwdict;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_kwdefaults_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value || value == Py_None) {
+        value = NULL;
+    } else if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__annotations__ must be set to a dict object");
+        return -1;
+    }
+    Py_XINCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_annotations, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->func_annotations;
+    if (unlikely(!result)) {
+        result = PyDict_New();
+        if (unlikely(!result)) return NULL;
+        op->func_annotations = result;
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, void *context) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_annotations_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine_value(__pyx_CyFunctionObject *op) {
+    int is_coroutine = op->flags & __Pyx_CYFUNCTION_COROUTINE;
+    if (is_coroutine) {
+        PyObject *is_coroutine_value, *module, *fromlist, *marker = __pyx_mstate_global->__pyx_n_u_is_coroutine;
+        fromlist = PyList_New(1);
+        if (unlikely(!fromlist)) return NULL;
+        Py_INCREF(marker);
+#if CYTHON_ASSUME_SAFE_MACROS
+        PyList_SET_ITEM(fromlist, 0, marker);
+#else
+        if (unlikely(PyList_SetItem(fromlist, 0, marker) < 0)) {
+            Py_DECREF(marker);
+            Py_DECREF(fromlist);
+            return NULL;
+        }
+#endif
+        module = PyImport_ImportModuleLevelObject(__pyx_mstate_global->__pyx_n_u_asyncio_coroutines, NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+        if (unlikely(!module)) goto ignore;
+        is_coroutine_value = __Pyx_PyObject_GetAttrStr(module, marker);
+        Py_DECREF(module);
+        if (likely(is_coroutine_value)) {
+            return is_coroutine_value;
+        }
+ignore:
+        PyErr_Clear();
+    }
+    return __Pyx_PyBool_FromLong(is_coroutine);
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine(__pyx_CyFunctionObject *op, void *context) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(context);
+    if (op->func_is_coroutine) {
+        return __Pyx_NewRef(op->func_is_coroutine);
+    }
+    result = __Pyx_CyFunction_get_is_coroutine_value(op);
+    if (unlikely(!result))
+        return NULL;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    if (op->func_is_coroutine) {
+        Py_DECREF(result);
+        result = __Pyx_NewRef(op->func_is_coroutine);
+    } else {
+        op->func_is_coroutine = __Pyx_NewRef(result);
+    }
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static void __Pyx_CyFunction_raise_argument_count_error(__pyx_CyFunctionObject *func, const char* message, Py_ssize_t size) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_name = __Pyx_CyFunction_get_name(func, NULL);
+    if (!py_name) return;
+    PyErr_Format(PyExc_TypeError,
+        "%.200S() %s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+        py_name, message, size);
+    Py_DECREF(py_name);
+#else
+    const char* name = ((PyCFunctionObject*)func)->m_ml->ml_name;
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() %s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+        name, message, size);
+#endif
+}
+static void __Pyx_CyFunction_raise_type_error(__pyx_CyFunctionObject *func, const char* message) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_name = __Pyx_CyFunction_get_name(func, NULL);
+    if (!py_name) return;
+    PyErr_Format(PyExc_TypeError,
+        "%.200S() %s",
+        py_name, message);
+    Py_DECREF(py_name);
+#else
+    const char* name = ((PyCFunctionObject*)func)->m_ml->ml_name;
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() %s",
+        name, message);
+#endif
+}
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *
+__Pyx_CyFunction_get_module(__pyx_CyFunctionObject *op, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_GetAttrString(op->func, "__module__");
+}
+static int
+__Pyx_CyFunction_set_module(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_SetAttrString(op->func, "__module__", value);
+}
+#endif
+static PyGetSetDef __pyx_CyFunction_getsets[] = {
+    {"func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {"__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {"func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {"__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {"__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+    {"func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)PyObject_GenericSetDict, 0, 0},
+    {"__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)PyObject_GenericSetDict, 0, 0},
+#else
+    {"func_dict", (getter)PyObject_GenericGetDict, (setter)PyObject_GenericSetDict, 0, 0},
+    {"__dict__", (getter)PyObject_GenericGetDict, (setter)PyObject_GenericSetDict, 0, 0},
+#endif
+    {"func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {"__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {"func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {"__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {"func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {"__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {"func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {"__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {"__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
+    {"__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
+    {"_is_coroutine", (getter)__Pyx_CyFunction_get_is_coroutine, 0, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", (getter)__Pyx_CyFunction_get_module, (setter)__Pyx_CyFunction_set_module, 0, 0},
+#endif
+    {0, 0, 0, 0, 0}
+};
+static PyMemberDef __pyx_CyFunction_members[] = {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), 0, 0},
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    {"__dictoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_dict), READONLY, 0},
+#endif
+#if CYTHON_METH_FASTCALL
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__vectorcalloffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_vectorcall), READONLY, 0},
+#else
+    {"__vectorcalloffset__", T_PYSSIZET, offsetof(PyCFunctionObject, vectorcall), READONLY, 0},
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__weaklistoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_weakreflist), READONLY, 0},
+#else
+    {"__weaklistoffset__", T_PYSSIZET, offsetof(PyCFunctionObject, m_weakreflist), READONLY, 0},
+#endif
+#endif
+    {0, 0, 0,  0, 0}
+};
+static PyObject *
+__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, PyObject *args)
+{
+    PyObject *result = NULL;
+    CYTHON_UNUSED_VAR(args);
+    __Pyx_BEGIN_CRITICAL_SECTION(m);
+    Py_INCREF(m->func_qualname);
+    result = m->func_qualname;
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static PyMethodDef __pyx_CyFunction_methods[] = {
+    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
+    {0, 0, 0, 0}
+};
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
+#else
+#define __Pyx_CyFunction_weakreflist(cyfunc) (((PyCFunctionObject*)cyfunc)->m_weakreflist)
+#endif
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
+                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunctionObject *cf = (PyCFunctionObject*) op;
+#endif
+    if (unlikely(op == NULL))
+        return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    op->func = PyCFunction_NewEx(ml, (PyObject*)op, module);
+    if (unlikely(!op->func)) return NULL;
+#endif
+    op->flags = flags;
+    __Pyx_CyFunction_weakreflist(op) = NULL;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    cf->m_ml = ml;
+    cf->m_self = (PyObject *) op;
+#endif
+    Py_XINCREF(closure);
+    op->func_closure = closure;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_XINCREF(module);
+    cf->m_module = module;
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_dict = NULL;
+#endif
+    op->func_name = NULL;
+    Py_INCREF(qualname);
+    op->func_qualname = qualname;
+    op->func_doc = NULL;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_classobj = NULL;
+#else
+    ((PyCMethodObject*)op)->mm_class = NULL;
+#endif
+    op->func_globals = globals;
+    Py_INCREF(op->func_globals);
+    Py_XINCREF(code);
+    op->func_code = code;
+    op->defaults = NULL;
+    op->defaults_tuple = NULL;
+    op->defaults_kwdict = NULL;
+    op->defaults_getter = NULL;
+    op->func_annotations = NULL;
+    op->func_is_coroutine = NULL;
+#if CYTHON_METH_FASTCALL
+    switch (ml->ml_flags & (METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)) {
+    case METH_NOARGS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_NOARGS;
+        break;
+    case METH_O:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_O;
+        break;
+    case METH_METHOD | METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD;
+        break;
+    case METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS;
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = NULL;
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        Py_DECREF(op);
+        return NULL;
+    }
+#endif
+    return (PyObject *) op;
+}
+static int
+__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
+{
+    Py_CLEAR(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func);
+#else
+    Py_CLEAR(((PyCFunctionObject*)m)->m_module);
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func_dict);
+#elif PY_VERSION_HEX < 0x030d0000
+    _PyObject_ClearManagedDict((PyObject*)m);
+#else
+    PyObject_ClearManagedDict((PyObject*)m);
+#endif
+    Py_CLEAR(m->func_name);
+    Py_CLEAR(m->func_qualname);
+    Py_CLEAR(m->func_doc);
+    Py_CLEAR(m->func_globals);
+    Py_CLEAR(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+#if PY_VERSION_HEX < 0x030900B1
+    Py_CLEAR(__Pyx_CyFunction_GetClassObj(m));
+#else
+    {
+        PyObject *cls = (PyObject*) ((PyCMethodObject *) (m))->mm_class;
+        ((PyCMethodObject *) (m))->mm_class = NULL;
+        Py_XDECREF(cls);
+    }
+#endif
+#endif
+    Py_CLEAR(m->defaults_tuple);
+    Py_CLEAR(m->defaults_kwdict);
+    Py_CLEAR(m->func_annotations);
+    Py_CLEAR(m->func_is_coroutine);
+    Py_CLEAR(m->defaults);
+    return 0;
+}
+static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    if (__Pyx_CyFunction_weakreflist(m) != NULL)
+        PyObject_ClearWeakRefs((PyObject *) m);
+    __Pyx_CyFunction_clear(m);
+    __Pyx_PyHeapTypeObject_GC_Del(m);
+}
+static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    PyObject_GC_UnTrack(m);
+    __Pyx__CyFunction_dealloc(m);
+}
+static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
+{
+    {
+        int e = __Pyx_call_type_traverse((PyObject*)m, 1, visit, arg);
+        if (e) return e;
+    }
+    Py_VISIT(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func);
+#else
+    Py_VISIT(((PyCFunctionObject*)m)->m_module);
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func_dict);
+#else
+    {
+        int e =
+#if PY_VERSION_HEX < 0x030d0000
+            _PyObject_VisitManagedDict
+#else
+            PyObject_VisitManagedDict
+#endif
+                ((PyObject*)m, visit, arg);
+        if (e != 0) return e;
+    }
+#endif
+    __Pyx_VISIT_CONST(m->func_name);
+    __Pyx_VISIT_CONST(m->func_qualname);
+    Py_VISIT(m->func_doc);
+    Py_VISIT(m->func_globals);
+    __Pyx_VISIT_CONST(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(__Pyx_CyFunction_GetClassObj(m));
+#endif
+    Py_VISIT(m->defaults_tuple);
+    Py_VISIT(m->defaults_kwdict);
+    Py_VISIT(m->func_is_coroutine);
+    Py_VISIT(m->defaults);
+    return 0;
+}
+static PyObject*
+__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
+{
+    PyObject *repr;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    repr = PyUnicode_FromFormat("<cyfunction %U at %p>",
+                                op->func_qualname, (void *)op);
+    __Pyx_END_CRITICAL_SECTION();
+    return repr;
+}
+static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *f = ((__pyx_CyFunctionObject*)func)->func;
+    PyCFunction meth;
+    int flags;
+    meth = PyCFunction_GetFunction(f);
+    if (unlikely(!meth)) return NULL;
+    flags = PyCFunction_GetFlags(f);
+    if (unlikely(flags < 0)) return NULL;
+#else
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = f->m_ml->ml_meth;
+    int flags = f->m_ml->ml_flags;
+#endif
+    Py_ssize_t size;
+    switch (flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0))
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)(void(*)(void))meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_SIZE
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 0))
+                return (*meth)(self, NULL);
+            __Pyx_CyFunction_raise_argument_count_error(
+                (__pyx_CyFunctionObject*)func,
+                "takes no arguments", size);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_SIZE
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 1)) {
+                PyObject *result, *arg0;
+                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+                arg0 = PyTuple_GET_ITEM(arg, 0);
+                #else
+                arg0 = __Pyx_PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
+                #endif
+                result = (*meth)(self, arg0);
+                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+                Py_DECREF(arg0);
+                #endif
+                return result;
+            }
+            __Pyx_CyFunction_raise_argument_count_error(
+                (__pyx_CyFunctionObject*)func,
+                "takes exactly one argument", size);
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        return NULL;
+    }
+    __Pyx_CyFunction_raise_type_error(
+        (__pyx_CyFunctionObject*)func, "takes no keyword arguments");
+    return NULL;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *self, *result;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)func)->func);
+    if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+    self = ((PyCFunctionObject*)func)->m_self;
+#endif
+    result = __Pyx_CyFunction_CallMethod(func, self, arg, kw);
+    return result;
+}
+static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
+    PyObject *result;
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+     __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
+    if (vc) {
+#if CYTHON_ASSUME_SAFE_MACROS && CYTHON_ASSUME_SAFE_SIZE
+        return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
+#else
+        (void) &__Pyx_PyVectorcall_FastCallDict;
+        return PyVectorcall_Call(func, args, kw);
+#endif
+    }
+#endif
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        Py_ssize_t argc;
+        PyObject *new_args;
+        PyObject *self;
+#if CYTHON_ASSUME_SAFE_SIZE
+        argc = PyTuple_GET_SIZE(args);
+#else
+        argc = PyTuple_Size(args);
+        if (unlikely(argc < 0)) return NULL;
+#endif
+        new_args = PyTuple_GetSlice(args, 1, argc);
+        if (unlikely(!new_args))
+            return NULL;
+        self = PyTuple_GetItem(args, 0);
+        if (unlikely(!self)) {
+            Py_DECREF(new_args);
+            PyErr_Format(PyExc_TypeError,
+                         "unbound method %.200S() needs an argument",
+                         cyfunc->func_qualname);
+            return NULL;
+        }
+        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
+        Py_DECREF(new_args);
+    } else {
+        result = __Pyx_CyFunction_Call(func, args, kw);
+    }
+    return result;
+}
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static CYTHON_INLINE int __Pyx_CyFunction_Vectorcall_CheckArgs(__pyx_CyFunctionObject *cyfunc, Py_ssize_t nargs, PyObject *kwnames)
+{
+    int ret = 0;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        if (unlikely(nargs < 1)) {
+            __Pyx_CyFunction_raise_type_error(
+                cyfunc, "needs an argument");
+            return -1;
+        }
+        ret = 1;
+    }
+    if (unlikely(kwnames) && unlikely(__Pyx_PyTuple_GET_SIZE(kwnames))) {
+        __Pyx_CyFunction_raise_type_error(
+            cyfunc, "takes no keyword arguments");
+        return -1;
+    }
+    return ret;
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 0)) {
+        __Pyx_CyFunction_raise_argument_count_error(
+            cyfunc, "takes no arguments", nargs);
+        return NULL;
+    }
+    return meth(self, NULL);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 1)) {
+        __Pyx_CyFunction_raise_argument_count_error(
+            cyfunc, "takes exactly one argument", nargs);
+        return NULL;
+    }
+    return meth(self, args[0]);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))meth)(self, args, nargs, kwnames);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyTypeObject *cls = (PyTypeObject *) __Pyx_CyFunction_GetClassObj(cyfunc);
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    #if PY_VERSION_HEX < 0x030e00A6
+    size_t nargs_value = (size_t) nargs;
+    #else
+    Py_ssize_t nargs_value = nargs;
+    #endif
+    return ((__Pyx_PyCMethod)(void(*)(void))meth)(self, cls, args, nargs_value, kwnames);
+}
+#endif
+static PyType_Slot __pyx_CyFunctionType_slots[] = {
+    {Py_tp_dealloc, (void *)__Pyx_CyFunction_dealloc},
+    {Py_tp_repr, (void *)__Pyx_CyFunction_repr},
+    {Py_tp_call, (void *)__Pyx_CyFunction_CallAsMethod},
+    {Py_tp_traverse, (void *)__Pyx_CyFunction_traverse},
+    {Py_tp_clear, (void *)__Pyx_CyFunction_clear},
+    {Py_tp_methods, (void *)__pyx_CyFunction_methods},
+    {Py_tp_members, (void *)__pyx_CyFunction_members},
+    {Py_tp_getset, (void *)__pyx_CyFunction_getsets},
+    {Py_tp_descr_get, (void *)__Pyx_PyMethod_New},
+    {0, 0},
+};
+static PyType_Spec __pyx_CyFunctionType_spec = {
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if CYTHON_METH_FASTCALL
+#if defined(Py_TPFLAGS_HAVE_VECTORCALL)
+    Py_TPFLAGS_HAVE_VECTORCALL |
+#elif defined(_Py_TPFLAGS_HAVE_VECTORCALL)
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+#endif // CYTHON_METH_FASTCALL
+#if PY_VERSION_HEX >= 0x030C0000 && !CYTHON_COMPILING_IN_LIMITED_API
+    Py_TPFLAGS_MANAGED_DICT |
+#endif
+    Py_TPFLAGS_IMMUTABLETYPE | Py_TPFLAGS_DISALLOW_INSTANTIATION |
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    __pyx_CyFunctionType_slots
+};
+static int __pyx_CyFunction_init(PyObject *module) {
+    __pyx_mstatetype *mstate = __Pyx_PyModule_GetState(module);
+    mstate->__pyx_CyFunctionType = __Pyx_FetchCommonTypeFromSpec(
+        mstate->__pyx_CommonTypesMetaclassType, module, &__pyx_CyFunctionType_spec, NULL);
+    if (unlikely(mstate->__pyx_CyFunctionType == NULL)) {
+        return -1;
+    }
+    return 0;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_InitDefaults(PyObject *func, PyTypeObject *defaults_type) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults = PyObject_CallObject((PyObject*)defaults_type, NULL); // _PyObject_New(defaults_type);
+    if (unlikely(!m->defaults))
+        return NULL;
+    return m->defaults;
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_tuple = tuple;
+    Py_INCREF(tuple);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_kwdict = dict;
+    Py_INCREF(dict);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->func_annotations = dict;
+    Py_INCREF(dict);
+}
+
+/* CythonFunction */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
+                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+    PyObject *op = __Pyx_CyFunction_Init(
+        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_mstate_global->__pyx_CyFunctionType),
+        ml, flags, qualname, closure, module, globals, code
+    );
+    if (likely(op)) {
+        PyObject_GC_Track(op);
+    }
+    return op;
+}
+
+/* PyDictVersioning (used by CLineInTraceback) */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
+    PyObject *dict = Py_TYPE(obj)->tp_dict;
+    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
+    PyObject **dictptr = NULL;
+    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
+    if (offset) {
+#if CYTHON_COMPILING_IN_CPYTHON
+        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
+#else
+        dictptr = _PyObject_GetDictPtr(obj);
+#endif
+    }
+    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
+}
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
+    PyObject *dict = Py_TYPE(obj)->tp_dict;
+    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
+        return 0;
+    return obj_dict_version == __Pyx_get_object_dict_version(obj);
+}
+#endif
+
+/* CLineInTraceback (used by AddTraceback) */
+#if CYTHON_CLINE_IN_TRACEBACK && CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+#define __Pyx_PyProbablyModule_GetDict(o) __Pyx_XNewRef(PyModule_GetDict(o))
+#elif !CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyProbablyModule_GetDict(o) PyObject_GenericGetDict(o, NULL);
+#else
+PyObject* __Pyx_PyProbablyModule_GetDict(PyObject *o) {
+    PyObject **dict_ptr = _PyObject_GetDictPtr(o);
+    return dict_ptr ? __Pyx_XNewRef(*dict_ptr) : NULL;
+}
+#endif
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) {
+    PyObject *use_cline = NULL;
+    PyObject *ptype, *pvalue, *ptraceback;
+    PyObject *cython_runtime_dict;
+    CYTHON_MAYBE_UNUSED_VAR(tstate);
+    if (unlikely(!__pyx_mstate_global->__pyx_cython_runtime)) {
+        return c_line;
+    }
+    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
+    cython_runtime_dict = __Pyx_PyProbablyModule_GetDict(__pyx_mstate_global->__pyx_cython_runtime);
+    if (likely(cython_runtime_dict)) {
+        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
+            use_cline, cython_runtime_dict,
+            __Pyx_PyDict_SetDefault(cython_runtime_dict, __pyx_mstate_global->__pyx_n_u_cline_in_traceback, Py_False))
+    }
+    if (use_cline == NULL || use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
+        c_line = 0;
+    }
+    Py_XDECREF(use_cline);
+    Py_XDECREF(cython_runtime_dict);
+    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
+    return c_line;
+}
+#endif
+
+/* CodeObjectCache (used by AddTraceback) */
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = start + (end - start) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static __Pyx_CachedCodeObjectType *__pyx__find_code_object(struct __Pyx_CodeObjectCache *code_cache, int code_line) {
+    __Pyx_CachedCodeObjectType* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!code_cache->entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(code_cache->entries, code_cache->count, code_line);
+    if (unlikely(pos >= code_cache->count) || unlikely(code_cache->entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = code_cache->entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static __Pyx_CachedCodeObjectType *__pyx_find_code_object(int code_line) {
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && !CYTHON_ATOMICS
+    (void)__pyx__find_code_object;
+    return NULL; // Most implementation should have atomics. But otherwise, don't make it thread-safe, just miss.
+#else
+    struct __Pyx_CodeObjectCache *code_cache = &__pyx_mstate_global->__pyx_code_cache;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_nonatomic_int_type old_count = __pyx_atomic_incr_acq_rel(&code_cache->accessor_count);
+    if (old_count < 0) {
+        __pyx_atomic_decr_acq_rel(&code_cache->accessor_count);
+        return NULL;
+    }
+#endif
+    __Pyx_CachedCodeObjectType *result = __pyx__find_code_object(code_cache, code_line);
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_decr_acq_rel(&code_cache->accessor_count);
+#endif
+    return result;
+#endif
+}
+static void __pyx__insert_code_object(struct __Pyx_CodeObjectCache *code_cache, int code_line, __Pyx_CachedCodeObjectType* code_object)
+{
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = code_cache->entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            code_cache->entries = entries;
+            code_cache->max_count = 64;
+            code_cache->count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(code_cache->entries, code_cache->count, code_line);
+    if ((pos < code_cache->count) && unlikely(code_cache->entries[pos].code_line == code_line)) {
+        __Pyx_CachedCodeObjectType* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_INCREF(code_object);
+        Py_DECREF(tmp);
+        return;
+    }
+    if (code_cache->count == code_cache->max_count) {
+        int new_max = code_cache->max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            code_cache->entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        code_cache->entries = entries;
+        code_cache->max_count = new_max;
+    }
+    for (i=code_cache->count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    code_cache->count++;
+    Py_INCREF(code_object);
+}
+static void __pyx_insert_code_object(int code_line, __Pyx_CachedCodeObjectType* code_object) {
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && !CYTHON_ATOMICS
+    (void)__pyx__insert_code_object;
+    return; // Most implementation should have atomics. But otherwise, don't make it thread-safe, just fail.
+#else
+    struct __Pyx_CodeObjectCache *code_cache = &__pyx_mstate_global->__pyx_code_cache;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_nonatomic_int_type expected = 0;
+    if (!__pyx_atomic_int_cmp_exchange(&code_cache->accessor_count, &expected, INT_MIN)) {
+        return;
+    }
+#endif
+    __pyx__insert_code_object(code_cache, code_line, code_object);
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_sub(&code_cache->accessor_count, INT_MIN);
+#endif
+#endif
+}
+
+/* AddTraceback */
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API && !defined(PYPY_VERSION)
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyCode_Replace_For_AddTraceback(PyObject *code, PyObject *scratch_dict,
+                                                       PyObject *firstlineno, PyObject *name) {
+    PyObject *replace = NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_firstlineno", firstlineno))) return NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_name", name))) return NULL;
+    replace = PyObject_GetAttrString(code, "replace");
+    if (likely(replace)) {
+        PyObject *result = PyObject_Call(replace, __pyx_mstate_global->__pyx_empty_tuple, scratch_dict);
+        Py_DECREF(replace);
+        return result;
+    }
+    PyErr_Clear();
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyObject *code_object = NULL, *py_py_line = NULL, *py_funcname = NULL, *dict = NULL;
+    PyObject *replace = NULL, *getframe = NULL, *frame = NULL;
+    PyObject *exc_type, *exc_value, *exc_traceback;
+    int success = 0;
+    if (c_line) {
+        c_line = __Pyx_CLineForTraceback(__Pyx_PyThreadState_Current, c_line);
+    }
+    PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
+    code_object = __pyx_find_code_object(c_line ? -c_line : py_line);
+    if (!code_object) {
+        code_object = Py_CompileString("_getframe()", filename, Py_eval_input);
+        if (unlikely(!code_object)) goto bad;
+        py_py_line = PyLong_FromLong(py_line);
+        if (unlikely(!py_py_line)) goto bad;
+        if (c_line) {
+            py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        } else {
+            py_funcname = PyUnicode_FromString(funcname);
+        }
+        if (unlikely(!py_funcname)) goto bad;
+        dict = PyDict_New();
+        if (unlikely(!dict)) goto bad;
+        {
+            PyObject *old_code_object = code_object;
+            code_object = __Pyx_PyCode_Replace_For_AddTraceback(code_object, dict, py_py_line, py_funcname);
+            Py_DECREF(old_code_object);
+        }
+        if (unlikely(!code_object)) goto bad;
+        __pyx_insert_code_object(c_line ? -c_line : py_line, code_object);
+    } else {
+        dict = PyDict_New();
+    }
+    getframe = PySys_GetObject("_getframe");
+    if (unlikely(!getframe)) goto bad;
+    if (unlikely(PyDict_SetItemString(dict, "_getframe", getframe))) goto bad;
+    frame = PyEval_EvalCode(code_object, dict, dict);
+    if (unlikely(!frame) || frame == Py_None) goto bad;
+    success = 1;
+  bad:
+    PyErr_Restore(exc_type, exc_value, exc_traceback);
+    Py_XDECREF(code_object);
+    Py_XDECREF(py_py_line);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(dict);
+    Py_XDECREF(replace);
+    if (success) {
+        PyTraceBack_Here(
+            (struct _frame*)frame);
+    }
+    Py_XDECREF(frame);
+}
+#else
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = NULL;
+    PyObject *py_funcname = NULL;
+    if (c_line) {
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
+        funcname = PyUnicode_AsUTF8(py_funcname);
+        if (!funcname) goto bad;
+    }
+    py_code = PyCode_NewEmpty(filename, funcname, py_line);
+    Py_XDECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyFrameObject *py_frame = 0;
+    PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject *ptype, *pvalue, *ptraceback;
+    if (c_line) {
+        c_line = __Pyx_CLineForTraceback(tstate, c_line);
+    }
+    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
+    if (!py_code) {
+        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) {
+            /* If the code object creation fails, then we should clear the
+               fetched exception references and propagate the new exception */
+            Py_XDECREF(ptype);
+            Py_XDECREF(pvalue);
+            Py_XDECREF(ptraceback);
+            goto bad;
+        }
+        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
+        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
+    }
+    py_frame = PyFrame_New(
+        tstate,            /*PyThreadState *tstate,*/
+        py_code,           /*PyCodeObject *code,*/
+        __pyx_mstate_global->__pyx_d,    /*PyObject *globals,*/
+        0                  /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+#endif
+
+/* FormatTypeName */
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030d0000
+static __Pyx_TypeName
+__Pyx_PyType_GetFullyQualifiedName(PyTypeObject* tp)
+{
+    PyObject *module = NULL, *name = NULL, *result = NULL;
+    #if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+    name = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_mstate_global->__pyx_n_u_qualname);
+    #else
+    name = PyType_GetQualName(tp);
+    #endif
+    if (unlikely(name == NULL) || unlikely(!PyUnicode_Check(name))) goto bad;
+    module = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_mstate_global->__pyx_n_u_module);
+    if (unlikely(module == NULL) || unlikely(!PyUnicode_Check(module))) goto bad;
+    if (PyUnicode_CompareWithASCIIString(module, "builtins") == 0) {
+        result = name;
+        name = NULL;
+        goto done;
+    }
+    result = PyUnicode_FromFormat("%U.%U", module, name);
+    if (unlikely(result == NULL)) goto bad;
+  done:
+    Py_XDECREF(name);
+    Py_XDECREF(module);
+    return result;
+  bad:
+    PyErr_Clear();
+    if (name) {
+        result = name;
+        name = NULL;
+    } else {
+        result = __Pyx_NewRef(__pyx_mstate_global->__pyx_kp_u_);
+    }
+    goto done;
+}
+#endif
+
+/* PyObjectVectorCallKwBuilder (used by CIntToPy) */
+#if CYTHON_VECTORCALL
+static int __Pyx_VectorcallBuilder_AddArg(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    (void)__Pyx_PyObject_FastCallDict;
+    if (__Pyx_PyTuple_SET_ITEM(builder, n, key) != (0)) return -1;
+    Py_INCREF(key);
+    args[n] = value;
+    return 0;
+}
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    (void)__Pyx_VectorcallBuilder_AddArgStr;
+    if (unlikely(!PyUnicode_Check(key))) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        return -1;
+    }
+    return __Pyx_VectorcallBuilder_AddArg(key, value, builder, args, n);
+}
+static int __Pyx_VectorcallBuilder_AddArgStr(const char *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    PyObject *pyKey = PyUnicode_FromString(key);
+    if (!pyKey) return -1;
+    return __Pyx_VectorcallBuilder_AddArg(pyKey, value, builder, args, n);
+}
+#else // CYTHON_VECTORCALL
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, CYTHON_UNUSED PyObject **args, CYTHON_UNUSED int n) {
+    if (unlikely(!PyUnicode_Check(key))) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        return -1;
+    }
+    return PyDict_SetItem(builder, key, value);
+}
+#endif
+
+/* CIntToPy */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_long(long value) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const long neg_one = (long) -1, const_zero = (long) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(long) < sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+#if !CYTHON_COMPILING_IN_PYPY
+        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
+            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
+        }
+    } else {
+        if (sizeof(long) <= sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
+            return PyLong_FromLongLong((PY_LONG_LONG) value);
+        }
+    }
+    {
+        unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d00A4
+        if (is_unsigned) {
+            return PyLong_FromUnsignedNativeBytes(bytes, sizeof(value), -1);
+        } else {
+            return PyLong_FromNativeBytes(bytes, sizeof(value), -1);
+        }
+#elif !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        return _PyLong_FromByteArray(bytes, sizeof(long),
+                                     little, !is_unsigned);
+#else
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        PyObject *from_bytes, *result = NULL, *kwds = NULL;
+        PyObject *py_bytes = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(long));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        {
+            PyObject *args[3+(CYTHON_VECTORCALL ? 1 : 0)] = { NULL, py_bytes, order_str };
+            if (!is_unsigned) {
+                kwds = __Pyx_MakeVectorcallBuilderKwds(1);
+                if (!kwds) goto limited_bad;
+                if (__Pyx_VectorcallBuilder_AddArgStr("signed", __Pyx_NewRef(Py_True), kwds, args+3, 0) < 0) goto limited_bad;
+            }
+            result = __Pyx_Object_Vectorcall_CallFromBuilder(from_bytes, args+1, 2 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET, kwds);
+        }
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
+    }
+}
+
+/* CIntFromPyVerify (used by CIntFromPy) */
+#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
+#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
+#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
+    {\
+        func_type value = func_value;\
+        if (sizeof(target_type) < sizeof(func_type)) {\
+            if (unlikely(value != (func_type) (target_type) value)) {\
+                func_type zero = 0;\
+                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
+                    return (target_type) -1;\
+                if (is_unsigned && unlikely(value < zero))\
+                    goto raise_neg_overflow;\
+                else\
+                    goto raise_overflow;\
+            }\
+        }\
+        return (target_type) value;\
+    }
+
+/* CIntFromPy */
+static CYTHON_INLINE long __Pyx_PyLong_As_long(PyObject *x) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const long neg_one = (long) -1, const_zero = (long) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (unlikely(!PyLong_Check(x))) {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Long(x);
+        if (!tmp) return (long) -1;
+        val = __Pyx_PyLong_As_long(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+    if (is_unsigned) {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+            goto raise_neg_overflow;
+        } else if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_DigitCount(x)) {
+                case 2:
+                    if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 2 * PyLong_SHIFT)) {
+                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 3 * PyLong_SHIFT)) {
+                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 4 * PyLong_SHIFT)) {
+                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
+        if (unlikely(Py_SIZE(x) < 0)) {
+            goto raise_neg_overflow;
+        }
+#else
+        {
+            int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+            if (unlikely(result < 0))
+                return (long) -1;
+            if (unlikely(result == 1))
+                goto raise_neg_overflow;
+        }
+#endif
+        if ((sizeof(long) <= sizeof(unsigned long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
+        } else if ((sizeof(long) <= sizeof(unsigned PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+        }
+    } else {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                case -2:
+                    if ((8 * sizeof(long) - 1 > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 2:
+                    if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case -3:
+                    if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case -4:
+                    if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+        if ((sizeof(long) <= sizeof(long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
+        } else if ((sizeof(long) <= sizeof(PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
+        }
+    }
+    {
+        long val;
+        int ret = -1;
+#if PY_VERSION_HEX >= 0x030d00A6 && !CYTHON_COMPILING_IN_LIMITED_API
+        Py_ssize_t bytes_copied = PyLong_AsNativeBytes(
+            x, &val, sizeof(val), Py_ASNATIVEBYTES_NATIVE_ENDIAN | (is_unsigned ? Py_ASNATIVEBYTES_UNSIGNED_BUFFER | Py_ASNATIVEBYTES_REJECT_NEGATIVE : 0));
+        if (unlikely(bytes_copied == -1)) {
+        } else if (unlikely(bytes_copied > (Py_ssize_t) sizeof(val))) {
+            goto raise_overflow;
+        } else {
+            ret = 0;
+        }
+#elif PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
+        int one = 1; int is_little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&val;
+        ret = _PyLong_AsByteArray((PyLongObject *)x,
+                                    bytes, sizeof(val),
+                                    is_little, !is_unsigned);
+#else
+        PyObject *v;
+        PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+        int bits, remaining_bits, is_negative = 0;
+        int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+        if (likely(PyLong_CheckExact(x))) {
+            v = __Pyx_NewRef(x);
+        } else {
+            v = PyNumber_Long(x);
+            if (unlikely(!v)) return (long) -1;
+            assert(PyLong_CheckExact(v));
+        }
+        {
+            int result = PyObject_RichCompareBool(v, Py_False, Py_LT);
+            if (unlikely(result < 0)) {
+                Py_DECREF(v);
+                return (long) -1;
+            }
+            is_negative = result == 1;
+        }
+        if (is_unsigned && unlikely(is_negative)) {
+            Py_DECREF(v);
+            goto raise_neg_overflow;
+        } else if (is_negative) {
+            stepval = PyNumber_Invert(v);
+            Py_DECREF(v);
+            if (unlikely(!stepval))
+                return (long) -1;
+        } else {
+            stepval = v;
+        }
+        v = NULL;
+        val = (long) 0;
+        mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+        shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+        for (bits = 0; bits < (int) sizeof(long) * 8 - chunk_size; bits += chunk_size) {
+            PyObject *tmp, *digit;
+            long idigit;
+            digit = PyNumber_And(stepval, mask);
+            if (unlikely(!digit)) goto done;
+            idigit = PyLong_AsLong(digit);
+            Py_DECREF(digit);
+            if (unlikely(idigit < 0)) goto done;
+            val |= ((long) idigit) << bits;
+            tmp = PyNumber_Rshift(stepval, shift);
+            if (unlikely(!tmp)) goto done;
+            Py_DECREF(stepval); stepval = tmp;
+        }
+        Py_DECREF(shift); shift = NULL;
+        Py_DECREF(mask); mask = NULL;
+        {
+            long idigit = PyLong_AsLong(stepval);
+            if (unlikely(idigit < 0)) goto done;
+            remaining_bits = ((int) sizeof(long) * 8) - bits - (is_unsigned ? 0 : 1);
+            if (unlikely(idigit >= (1L << remaining_bits)))
+                goto raise_overflow;
+            val |= ((long) idigit) << bits;
+        }
+        if (!is_unsigned) {
+            if (unlikely(val & (((long) 1) << (sizeof(long) * 8 - 1))))
+                goto raise_overflow;
+            if (is_negative)
+                val = ~val;
+        }
+        ret = 0;
+    done:
+        Py_XDECREF(shift);
+        Py_XDECREF(mask);
+        Py_XDECREF(stepval);
+#endif
+        if (unlikely(ret))
+            return (long) -1;
+        return val;
+    }
+raise_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "value too large to convert to long");
+    return (long) -1;
+raise_neg_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "can't convert negative value to long");
+    return (long) -1;
+}
+
+/* CIntFromPy */
+static CYTHON_INLINE int __Pyx_PyLong_As_int(PyObject *x) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (unlikely(!PyLong_Check(x))) {
+        int val;
+        PyObject *tmp = __Pyx_PyNumber_Long(x);
+        if (!tmp) return (int) -1;
+        val = __Pyx_PyLong_As_int(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+    if (is_unsigned) {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+            goto raise_neg_overflow;
+        } else if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_DigitCount(x)) {
+                case 2:
+                    if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 2 * PyLong_SHIFT)) {
+                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 3 * PyLong_SHIFT)) {
+                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 4 * PyLong_SHIFT)) {
+                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
+        if (unlikely(Py_SIZE(x) < 0)) {
+            goto raise_neg_overflow;
+        }
+#else
+        {
+            int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+            if (unlikely(result < 0))
+                return (int) -1;
+            if (unlikely(result == 1))
+                goto raise_neg_overflow;
+        }
+#endif
+        if ((sizeof(int) <= sizeof(unsigned long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
+        } else if ((sizeof(int) <= sizeof(unsigned PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+        }
+    } else {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                case -2:
+                    if ((8 * sizeof(int) - 1 > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 2:
+                    if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case -3:
+                    if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case -4:
+                    if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+        if ((sizeof(int) <= sizeof(long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
+        } else if ((sizeof(int) <= sizeof(PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
+        }
+    }
+    {
+        int val;
+        int ret = -1;
+#if PY_VERSION_HEX >= 0x030d00A6 && !CYTHON_COMPILING_IN_LIMITED_API
+        Py_ssize_t bytes_copied = PyLong_AsNativeBytes(
+            x, &val, sizeof(val), Py_ASNATIVEBYTES_NATIVE_ENDIAN | (is_unsigned ? Py_ASNATIVEBYTES_UNSIGNED_BUFFER | Py_ASNATIVEBYTES_REJECT_NEGATIVE : 0));
+        if (unlikely(bytes_copied == -1)) {
+        } else if (unlikely(bytes_copied > (Py_ssize_t) sizeof(val))) {
+            goto raise_overflow;
+        } else {
+            ret = 0;
+        }
+#elif PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
+        int one = 1; int is_little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&val;
+        ret = _PyLong_AsByteArray((PyLongObject *)x,
+                                    bytes, sizeof(val),
+                                    is_little, !is_unsigned);
+#else
+        PyObject *v;
+        PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+        int bits, remaining_bits, is_negative = 0;
+        int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+        if (likely(PyLong_CheckExact(x))) {
+            v = __Pyx_NewRef(x);
+        } else {
+            v = PyNumber_Long(x);
+            if (unlikely(!v)) return (int) -1;
+            assert(PyLong_CheckExact(v));
+        }
+        {
+            int result = PyObject_RichCompareBool(v, Py_False, Py_LT);
+            if (unlikely(result < 0)) {
+                Py_DECREF(v);
+                return (int) -1;
+            }
+            is_negative = result == 1;
+        }
+        if (is_unsigned && unlikely(is_negative)) {
+            Py_DECREF(v);
+            goto raise_neg_overflow;
+        } else if (is_negative) {
+            stepval = PyNumber_Invert(v);
+            Py_DECREF(v);
+            if (unlikely(!stepval))
+                return (int) -1;
+        } else {
+            stepval = v;
+        }
+        v = NULL;
+        val = (int) 0;
+        mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+        shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+        for (bits = 0; bits < (int) sizeof(int) * 8 - chunk_size; bits += chunk_size) {
+            PyObject *tmp, *digit;
+            long idigit;
+            digit = PyNumber_And(stepval, mask);
+            if (unlikely(!digit)) goto done;
+            idigit = PyLong_AsLong(digit);
+            Py_DECREF(digit);
+            if (unlikely(idigit < 0)) goto done;
+            val |= ((int) idigit) << bits;
+            tmp = PyNumber_Rshift(stepval, shift);
+            if (unlikely(!tmp)) goto done;
+            Py_DECREF(stepval); stepval = tmp;
+        }
+        Py_DECREF(shift); shift = NULL;
+        Py_DECREF(mask); mask = NULL;
+        {
+            long idigit = PyLong_AsLong(stepval);
+            if (unlikely(idigit < 0)) goto done;
+            remaining_bits = ((int) sizeof(int) * 8) - bits - (is_unsigned ? 0 : 1);
+            if (unlikely(idigit >= (1L << remaining_bits)))
+                goto raise_overflow;
+            val |= ((int) idigit) << bits;
+        }
+        if (!is_unsigned) {
+            if (unlikely(val & (((int) 1) << (sizeof(int) * 8 - 1))))
+                goto raise_overflow;
+            if (is_negative)
+                val = ~val;
+        }
+        ret = 0;
+    done:
+        Py_XDECREF(shift);
+        Py_XDECREF(mask);
+        Py_XDECREF(stepval);
+#endif
+        if (unlikely(ret))
+            return (int) -1;
+        return val;
+    }
+raise_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "value too large to convert to int");
+    return (int) -1;
+raise_neg_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "can't convert negative value to int");
+    return (int) -1;
+}
+
+/* FastTypeChecks */
+#if CYTHON_COMPILING_IN_CPYTHON
+static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
+    while (a) {
+        a = __Pyx_PyType_GetSlot(a, tp_base, PyTypeObject*);
+        if (a == b)
+            return 1;
+    }
+    return b == &PyBaseObject_Type;
+}
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (a == b) return 1;
+    mro = a->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(a, b);
+}
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (cls == a || cls == b) return 1;
+    mro = cls->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            PyObject *base = PyTuple_GET_ITEM(mro, i);
+            if (base == (PyObject *)a || base == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(cls, a) || __Pyx_InBases(cls, b);
+}
+static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
+    if (exc_type1) {
+        return __Pyx_IsAnySubtype2((PyTypeObject*)err, (PyTypeObject*)exc_type1, (PyTypeObject*)exc_type2);
+    } else {
+        return __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+    }
+}
+static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    assert(PyExceptionClass_Check(exc_type));
+    n = PyTuple_GET_SIZE(tuple);
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    }
+    for (i=0; i<n; i++) {
+        PyObject *t = PyTuple_GET_ITEM(tuple, i);
+        if (likely(PyExceptionClass_Check(t))) {
+            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
+        } else {
+        }
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
+    if (likely(err == exc_type)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        if (likely(PyExceptionClass_Check(exc_type))) {
+            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
+        } else if (likely(PyTuple_Check(exc_type))) {
+            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
+        } else {
+        }
+    }
+    return PyErr_GivenExceptionMatches(err, exc_type);
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
+    assert(PyExceptionClass_Check(exc_type1));
+    assert(PyExceptionClass_Check(exc_type2));
+    if (likely(err == exc_type1 || err == exc_type2)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+    }
+    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
+}
+#endif
+
+/* GetRuntimeVersion */
+#if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+void __Pyx_init_runtime_version(void) {
+    if (__Pyx_cached_runtime_version == 0) {
+        const char* rt_version = Py_GetVersion();
+        unsigned long version = 0;
+        unsigned long factor = 0x01000000UL;
+        unsigned int digit = 0;
+        int i = 0;
+        while (factor) {
+            while ('0' <= rt_version[i] && rt_version[i] <= '9') {
+                digit = digit * 10 + (unsigned int) (rt_version[i] - '0');
+                ++i;
+            }
+            version += factor * digit;
+            if (rt_version[i] != '.')
+                break;
+            digit = 0;
+            factor >>= 8;
+            ++i;
+        }
+        __Pyx_cached_runtime_version = version;
+    }
+}
+#endif
+static unsigned long __Pyx_get_runtime_version(void) {
+#if __PYX_LIMITED_VERSION_HEX >= 0x030b0000
+    return Py_Version & ~0xFFUL;
+#else
+    return __Pyx_cached_runtime_version;
+#endif
+}
+
+/* CheckBinaryVersion */
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer) {
+    const unsigned long MAJOR_MINOR = 0xFFFF0000UL;
+    if ((rt_version & MAJOR_MINOR) == (ct_version & MAJOR_MINOR))
+        return 0;
+    if (likely(allow_newer && (rt_version & MAJOR_MINOR) > (ct_version & MAJOR_MINOR)))
+        return 1;
+    {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compile time Python version %d.%d "
+                      "of module '%.100s' "
+                      "%s "
+                      "runtime version %d.%d",
+                       (int) (ct_version >> 24), (int) ((ct_version >> 16) & 0xFF),
+                       __Pyx_MODULE_NAME,
+                       (allow_newer) ? "was newer than" : "does not match",
+                       (int) (rt_version >> 24), (int) ((rt_version >> 16) & 0xFF)
+       );
+        return PyErr_WarnEx(NULL, message, 1);
+    }
+}
+
+/* NewCodeObj */
+#if CYTHON_COMPILING_IN_LIMITED_API
+    static PyObject* __Pyx__PyCode_New(int a, int p, int k, int l, int s, int f,
+                                       PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                       PyObject *fv, PyObject *cell, PyObject* fn,
+                                       PyObject *name, int fline, PyObject *lnos) {
+        PyObject *exception_table = NULL;
+        PyObject *types_module=NULL, *code_type=NULL, *result=NULL;
+        #if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+        PyObject *version_info;
+        PyObject *py_minor_version = NULL;
+        #endif
+        long minor_version = 0;
+        PyObject *type, *value, *traceback;
+        PyErr_Fetch(&type, &value, &traceback);
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030b0000
+        minor_version = 11;
+        #else
+        if (!(version_info = PySys_GetObject("version_info"))) goto end;
+        if (!(py_minor_version = PySequence_GetItem(version_info, 1))) goto end;
+        minor_version = PyLong_AsLong(py_minor_version);
+        Py_DECREF(py_minor_version);
+        if (minor_version == -1 && PyErr_Occurred()) goto end;
+        #endif
+        if (!(types_module = PyImport_ImportModule("types"))) goto end;
+        if (!(code_type = PyObject_GetAttrString(types_module, "CodeType"))) goto end;
+        if (minor_version <= 7) {
+            (void)p;
+            result = PyObject_CallFunction(code_type, "iiiiiOOOOOOiOOO", a, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else if (minor_version <= 10) {
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOiOOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else {
+            if (!(exception_table = PyBytes_FromStringAndSize(NULL, 0))) goto end;
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOOiOOOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, name, fline, lnos, exception_table, fv, cell);
+        }
+    end:
+        Py_XDECREF(code_type);
+        Py_XDECREF(exception_table);
+        Py_XDECREF(types_module);
+        if (type) {
+            PyErr_Restore(type, value, traceback);
+        }
+        return result;
+    }
+#elif PY_VERSION_HEX >= 0x030B0000
+  static PyCodeObject* __Pyx__PyCode_New(int a, int p, int k, int l, int s, int f,
+                                         PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                         PyObject *fv, PyObject *cell, PyObject* fn,
+                                         PyObject *name, int fline, PyObject *lnos) {
+    PyCodeObject *result;
+    result =
+      #if PY_VERSION_HEX >= 0x030C0000
+        PyUnstable_Code_NewWithPosOnlyArgs
+      #else
+        PyCode_NewWithPosOnlyArgs
+      #endif
+        (a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, name, fline, lnos, __pyx_mstate_global->__pyx_empty_bytes);
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030c00A1
+    if (likely(result))
+        result->_co_firsttraceable = 0;
+    #endif
+    return result;
+  }
+#elif !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx__PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_NewWithPosOnlyArgs(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx__PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+static PyObject* __Pyx_PyCode_New(
+        const __Pyx_PyCode_New_function_description descr,
+        PyObject * const *varnames,
+        PyObject *filename,
+        PyObject *funcname,
+        PyObject *line_table,
+        PyObject *tuple_dedup_map
+) {
+    PyObject *code_obj = NULL, *varnames_tuple_dedup = NULL, *code_bytes = NULL;
+    Py_ssize_t var_count = (Py_ssize_t) descr.nlocals;
+    PyObject *varnames_tuple = PyTuple_New(var_count);
+    if (unlikely(!varnames_tuple)) return NULL;
+    for (Py_ssize_t i=0; i < var_count; i++) {
+        Py_INCREF(varnames[i]);
+        if (__Pyx_PyTuple_SET_ITEM(varnames_tuple, i, varnames[i]) != (0)) goto done;
+    }
+    #if CYTHON_COMPILING_IN_LIMITED_API
+    varnames_tuple_dedup = PyDict_GetItem(tuple_dedup_map, varnames_tuple);
+    if (!varnames_tuple_dedup) {
+        if (unlikely(PyDict_SetItem(tuple_dedup_map, varnames_tuple, varnames_tuple) < 0)) goto done;
+        varnames_tuple_dedup = varnames_tuple;
+    }
+    #else
+    varnames_tuple_dedup = PyDict_SetDefault(tuple_dedup_map, varnames_tuple, varnames_tuple);
+    if (unlikely(!varnames_tuple_dedup)) goto done;
+    #endif
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_INCREF(varnames_tuple_dedup);
+    #endif
+    if (__PYX_LIMITED_VERSION_HEX >= (0x030b0000) && line_table != NULL && !CYTHON_COMPILING_IN_GRAAL) {
+        Py_ssize_t line_table_length = __Pyx_PyBytes_GET_SIZE(line_table);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(line_table_length == -1)) goto done;
+        #endif
+        Py_ssize_t code_len = (line_table_length * 2 + 4) & ~3LL;
+        code_bytes = PyBytes_FromStringAndSize(NULL, code_len);
+        if (unlikely(!code_bytes)) goto done;
+        char* c_code_bytes = PyBytes_AsString(code_bytes);
+        if (unlikely(!c_code_bytes)) goto done;
+        memset(c_code_bytes, 0, (size_t) code_len);
+    }
+    code_obj = (PyObject*) __Pyx__PyCode_New(
+        (int) descr.argcount,
+        (int) descr.num_posonly_args,
+        (int) descr.num_kwonly_args,
+        (int) descr.nlocals,
+        0,
+        (int) descr.flags,
+        code_bytes ? code_bytes : __pyx_mstate_global->__pyx_empty_bytes,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        varnames_tuple_dedup,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        filename,
+        funcname,
+        (int) descr.first_line,
+        (__PYX_LIMITED_VERSION_HEX >= (0x030b0000) && line_table) ? line_table : __pyx_mstate_global->__pyx_empty_bytes
+    );
+done:
+    Py_XDECREF(code_bytes);
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(varnames_tuple_dedup);
+    #endif
+    Py_DECREF(varnames_tuple);
+    return code_obj;
+}
+
+/* DecompressString */
+static PyObject *__Pyx_DecompressString(const char *s, Py_ssize_t length, int algo) {
+    PyObject *module = NULL, *decompress, *compressed_bytes, *decompressed;
+    const char* module_name = algo == 3 ? "compression.zstd" : algo == 2 ? "bz2" : "zlib";
+    PyObject *methodname = PyUnicode_FromString("decompress");
+    if (unlikely(!methodname)) return NULL;
+    #if __PYX_LIMITED_VERSION_HEX >= 0x030e0000
+    if (algo == 3) {
+        PyObject *fromlist = Py_BuildValue("[O]", methodname);
+        if (unlikely(!fromlist)) goto bad;
+        module = PyImport_ImportModuleLevel("compression.zstd", NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+    } else
+    #endif
+        module = PyImport_ImportModule(module_name);
+    if (unlikely(!module)) goto import_failed;
+    decompress = PyObject_GetAttr(module, methodname);
+    if (unlikely(!decompress)) goto import_failed;
+    {
+        #ifdef __cplusplus
+            char *memview_bytes = const_cast<char*>(s);
+        #else
+            #if defined(__clang__)
+              #pragma clang diagnostic push
+              #pragma clang diagnostic ignored "-Wcast-qual"
+            #elif !defined(__INTEL_COMPILER) && defined(__GNUC__)
+              #pragma GCC diagnostic push
+              #pragma GCC diagnostic ignored "-Wcast-qual"
+            #endif
+            char *memview_bytes = (char*) s;
+            #if defined(__clang__)
+              #pragma clang diagnostic pop
+            #elif !defined(__INTEL_COMPILER) && defined(__GNUC__)
+              #pragma GCC diagnostic pop
+            #endif
+        #endif
+        #if CYTHON_COMPILING_IN_LIMITED_API && !defined(PyBUF_READ)
+        int memview_flags = 0x100;
+        #else
+        int memview_flags = PyBUF_READ;
+        #endif
+        compressed_bytes = PyMemoryView_FromMemory(memview_bytes, length, memview_flags);
+    }
+    if (unlikely(!compressed_bytes)) {
+        Py_DECREF(decompress);
+        goto bad;
+    }
+    decompressed = PyObject_CallFunctionObjArgs(decompress, compressed_bytes, NULL);
+    Py_DECREF(compressed_bytes);
+    Py_DECREF(decompress);
+    Py_DECREF(module);
+    Py_DECREF(methodname);
+    return decompressed;
+import_failed:
+    PyErr_Format(PyExc_ImportError,
+        "Failed to import '%.20s.decompress' - cannot initialise module strings. "
+        "String compression was configured with the C macro 'CYTHON_COMPRESS_STRINGS=%d'.",
+        module_name, algo);
+bad:
+    Py_XDECREF(module);
+    Py_DECREF(methodname);
+    return NULL;
+}
+
+#include <string.h>
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s) {
+    size_t len = strlen(s);
+    if (unlikely(len > (size_t) PY_SSIZE_T_MAX)) {
+        PyErr_SetString(PyExc_OverflowError, "byte string is too long");
+        return -1;
+    }
+    return (Py_ssize_t) len;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return PyByteArray_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
+    Py_ssize_t ignore;
+    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
+}
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {
+        const char* result;
+        Py_ssize_t unicode_length;
+        CYTHON_MAYBE_UNUSED_VAR(unicode_length); // only for __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        #if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+        if (unlikely(PyArg_Parse(o, "s#", &result, length) < 0)) return NULL;
+        #else
+        result = PyUnicode_AsUTF8AndSize(o, length);
+        #endif
+        #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        unicode_length = PyUnicode_GetLength(o);
+        if (unlikely(unicode_length < 0)) return NULL;
+        if (unlikely(unicode_length != *length)) {
+            PyUnicode_AsASCIIString(o);
+            return NULL;
+        }
+        #endif
+        return result;
+    }
+#else
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+    if (likely(PyUnicode_IS_ASCII(o))) {
+        *length = PyUnicode_GET_LENGTH(o);
+        return PyUnicode_AsUTF8(o);
+    } else {
+        PyUnicode_AsASCIIString(o);
+        return NULL;
+    }
+#else
+    return PyUnicode_AsUTF8AndSize(o, length);
+#endif
+#endif
+}
+#endif
+static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+    if (PyUnicode_Check(o)) {
+        return __Pyx_PyUnicode_AsStringAndSize(o, length);
+    } else
+#endif
+    if (PyByteArray_Check(o)) {
+#if (CYTHON_ASSUME_SAFE_SIZE && CYTHON_ASSUME_SAFE_MACROS) || (CYTHON_COMPILING_IN_PYPY && (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)))
+        *length = PyByteArray_GET_SIZE(o);
+        return PyByteArray_AS_STRING(o);
+#else
+        *length = PyByteArray_Size(o);
+        if (*length == -1) return NULL;
+        return PyByteArray_AsString(o);
+#endif
+    } else
+    {
+        char* result;
+        int r = PyBytes_AsStringAndSize(o, &result, length);
+        if (unlikely(r < 0)) {
+            return NULL;
+        } else {
+            return result;
+        }
+    }
+}
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
+    int retval;
+    if (unlikely(!x)) return -1;
+    retval = __Pyx_PyObject_IsTrue(x);
+    Py_DECREF(x);
+    return retval;
+}
+static PyObject* __Pyx_PyNumber_LongWrongResultType(PyObject* result) {
+    __Pyx_TypeName result_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(result));
+    if (PyLong_Check(result)) {
+        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
+                "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ").  "
+                "The ability to return an instance of a strict subclass of int is deprecated, "
+                "and may be removed in a future version of Python.",
+                result_type_name)) {
+            __Pyx_DECREF_TypeName(result_type_name);
+            Py_DECREF(result);
+            return NULL;
+        }
+        __Pyx_DECREF_TypeName(result_type_name);
+        return result;
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ")",
+                 result_type_name);
+    __Pyx_DECREF_TypeName(result_type_name);
+    Py_DECREF(result);
+    return NULL;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Long(PyObject* x) {
+#if CYTHON_USE_TYPE_SLOTS
+  PyNumberMethods *m;
+#endif
+  PyObject *res = NULL;
+  if (likely(PyLong_Check(x)))
+      return __Pyx_NewRef(x);
+#if CYTHON_USE_TYPE_SLOTS
+  m = Py_TYPE(x)->tp_as_number;
+  if (likely(m && m->nb_int)) {
+      res = m->nb_int(x);
+  }
+#else
+  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
+      res = PyNumber_Long(x);
+  }
+#endif
+  if (likely(res)) {
+      if (unlikely(!PyLong_CheckExact(res))) {
+          return __Pyx_PyNumber_LongWrongResultType(res);
+      }
+  }
+  else if (!PyErr_Occurred()) {
+      PyErr_SetString(PyExc_TypeError,
+                      "an integer is required");
+  }
+  return res;
+}
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject *x;
+  if (likely(PyLong_CheckExact(b))) {
+    #if CYTHON_USE_PYLONG_INTERNALS
+    if (likely(__Pyx_PyLong_IsCompact(b))) {
+        return __Pyx_PyLong_CompactValue(b);
+    } else {
+      const digit* digits = __Pyx_PyLong_Digits(b);
+      const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(b);
+      switch (size) {
+         case 2:
+           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -2:
+           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case 3:
+           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -3:
+           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case 4:
+           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -4:
+           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+      }
+    }
+    #endif
+    return PyLong_AsSsize_t(b);
+  }
+  x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyLong_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
+  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
+    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
+  } else {
+    Py_ssize_t ival;
+    PyObject *x;
+    x = PyNumber_Index(o);
+    if (!x) return -1;
+    ival = PyLong_AsLong(x);
+    Py_DECREF(x);
+    return ival;
+  }
+}
+static CYTHON_INLINE PyObject *__Pyx_Owned_Py_None(int b) {
+    CYTHON_UNUSED_VAR(b);
+    return __Pyx_NewRef(Py_None);
+}
+static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
+  return __Pyx_NewRef(b ? Py_True: Py_False);
+}
+static CYTHON_INLINE PyObject * __Pyx_PyLong_FromSize_t(size_t ival) {
+    return PyLong_FromSize_t(ival);
+}
+
+
+/* MultiPhaseInitModuleState */
+#if CYTHON_PEP489_MULTI_PHASE_INIT && CYTHON_USE_MODULE_STATE
+#ifndef CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+#if (CYTHON_COMPILING_IN_LIMITED_API || PY_VERSION_HEX >= 0x030C0000)
+  #define CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE 1
+#else
+  #define CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE 0
+#endif
+#endif
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE && !CYTHON_ATOMICS
+#error "Module state with PEP489 requires atomics. Currently that's one of\
+ C11, C++11, gcc atomic intrinsics or MSVC atomic intrinsics"
+#endif
+#if !CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+#define __Pyx_ModuleStateLookup_Lock()
+#define __Pyx_ModuleStateLookup_Unlock()
+#elif !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d0000
+static PyMutex __Pyx_ModuleStateLookup_mutex = {0};
+#define __Pyx_ModuleStateLookup_Lock() PyMutex_Lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() PyMutex_Unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(__cplusplus) && __cplusplus >= 201103L
+#include <mutex>
+static std::mutex __Pyx_ModuleStateLookup_mutex;
+#define __Pyx_ModuleStateLookup_Lock() __Pyx_ModuleStateLookup_mutex.lock()
+#define __Pyx_ModuleStateLookup_Unlock() __Pyx_ModuleStateLookup_mutex.unlock()
+#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ > 201112L) && !defined(__STDC_NO_THREADS__)
+#include <threads.h>
+static mtx_t __Pyx_ModuleStateLookup_mutex;
+static once_flag __Pyx_ModuleStateLookup_mutex_once_flag = ONCE_FLAG_INIT;
+static void __Pyx_ModuleStateLookup_initialize_mutex(void) {
+    mtx_init(&__Pyx_ModuleStateLookup_mutex, mtx_plain);
+}
+#define __Pyx_ModuleStateLookup_Lock()\
+  call_once(&__Pyx_ModuleStateLookup_mutex_once_flag, __Pyx_ModuleStateLookup_initialize_mutex);\
+  mtx_lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() mtx_unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(HAVE_PTHREAD_H)
+#include <pthread.h>
+static pthread_mutex_t __Pyx_ModuleStateLookup_mutex = PTHREAD_MUTEX_INITIALIZER;
+#define __Pyx_ModuleStateLookup_Lock() pthread_mutex_lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() pthread_mutex_unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(_WIN32)
+#include <Windows.h>  // synchapi.h on its own doesn't work
+static SRWLOCK __Pyx_ModuleStateLookup_mutex = SRWLOCK_INIT;
+#define __Pyx_ModuleStateLookup_Lock() AcquireSRWLockExclusive(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() ReleaseSRWLockExclusive(&__Pyx_ModuleStateLookup_mutex)
+#else
+#error "No suitable lock available for CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE.\
+ Requires C standard >= C11, or C++ standard >= C++11,\
+ or pthreads, or the Windows 32 API, or Python >= 3.13."
+#endif
+typedef struct {
+    int64_t id;
+    PyObject *module;
+} __Pyx_InterpreterIdAndModule;
+typedef struct {
+    char interpreter_id_as_index;
+    Py_ssize_t count;
+    Py_ssize_t allocated;
+    __Pyx_InterpreterIdAndModule table[1];
+} __Pyx_ModuleStateLookupData;
+#define __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE 32
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static __pyx_atomic_int_type __Pyx_ModuleStateLookup_read_counter = 0;
+#endif
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static __pyx_atomic_ptr_type __Pyx_ModuleStateLookup_data = 0;
+#else
+static __Pyx_ModuleStateLookupData* __Pyx_ModuleStateLookup_data = NULL;
+#endif
+static __Pyx_InterpreterIdAndModule* __Pyx_State_FindModuleStateLookupTableLowerBound(
+        __Pyx_InterpreterIdAndModule* table,
+        Py_ssize_t count,
+        int64_t interpreterId) {
+    __Pyx_InterpreterIdAndModule* begin = table;
+    __Pyx_InterpreterIdAndModule* end = begin + count;
+    if (begin->id == interpreterId) {
+        return begin;
+    }
+    while ((end - begin) > __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE) {
+        __Pyx_InterpreterIdAndModule* halfway = begin + (end - begin)/2;
+        if (halfway->id == interpreterId) {
+            return halfway;
+        }
+        if (halfway->id < interpreterId) {
+            begin = halfway;
+        } else {
+            end = halfway;
+        }
+    }
+    for (; begin < end; ++begin) {
+        if (begin->id >= interpreterId) return begin;
+    }
+    return begin;
+}
+static PyObject *__Pyx_State_FindModule(CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return NULL;
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData* data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_relaxed(&__Pyx_ModuleStateLookup_data);
+    {
+        __pyx_atomic_incr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+        if (likely(data)) {
+            __Pyx_ModuleStateLookupData* new_data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_acquire(&__Pyx_ModuleStateLookup_data);
+            if (likely(data == new_data)) {
+                goto read_finished;
+            }
+        }
+        __pyx_atomic_decr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+        __Pyx_ModuleStateLookup_Lock();
+        __pyx_atomic_incr_relaxed(&__Pyx_ModuleStateLookup_read_counter);
+        data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_relaxed(&__Pyx_ModuleStateLookup_data);
+        __Pyx_ModuleStateLookup_Unlock();
+    }
+  read_finished:;
+#else
+    __Pyx_ModuleStateLookupData* data = __Pyx_ModuleStateLookup_data;
+#endif
+    __Pyx_InterpreterIdAndModule* found = NULL;
+    if (unlikely(!data)) goto end;
+    if (data->interpreter_id_as_index) {
+        if (interpreter_id < data->count) {
+            found = data->table+interpreter_id;
+        }
+    } else {
+        found = __Pyx_State_FindModuleStateLookupTableLowerBound(
+            data->table, data->count, interpreter_id);
+    }
+  end:
+    {
+        PyObject *result=NULL;
+        if (found && found->id == interpreter_id) {
+            result = found->module;
+        }
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+        __pyx_atomic_decr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+#endif
+        return result;
+    }
+}
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static void __Pyx_ModuleStateLookup_wait_until_no_readers(void) {
+    while (__pyx_atomic_load(&__Pyx_ModuleStateLookup_read_counter) != 0);
+}
+#else
+#define __Pyx_ModuleStateLookup_wait_until_no_readers()
+#endif
+static int __Pyx_State_AddModuleInterpIdAsIndex(__Pyx_ModuleStateLookupData **old_data, PyObject* module, int64_t interpreter_id) {
+    Py_ssize_t to_allocate = (*old_data)->allocated;
+    while (to_allocate <= interpreter_id) {
+        if (to_allocate == 0) to_allocate = 1;
+        else to_allocate *= 2;
+    }
+    __Pyx_ModuleStateLookupData *new_data = *old_data;
+    if (to_allocate != (*old_data)->allocated) {
+         new_data = (__Pyx_ModuleStateLookupData *)realloc(
+            *old_data,
+            sizeof(__Pyx_ModuleStateLookupData)+(to_allocate-1)*sizeof(__Pyx_InterpreterIdAndModule));
+        if (!new_data) {
+            PyErr_NoMemory();
+            return -1;
+        }
+        for (Py_ssize_t i = new_data->allocated; i < to_allocate; ++i) {
+            new_data->table[i].id = i;
+            new_data->table[i].module = NULL;
+        }
+        new_data->allocated = to_allocate;
+    }
+    new_data->table[interpreter_id].module = module;
+    if (new_data->count < interpreter_id+1) {
+        new_data->count = interpreter_id+1;
+    }
+    *old_data = new_data;
+    return 0;
+}
+static void __Pyx_State_ConvertFromInterpIdAsIndex(__Pyx_ModuleStateLookupData *data) {
+    __Pyx_InterpreterIdAndModule *read = data->table;
+    __Pyx_InterpreterIdAndModule *write = data->table;
+    __Pyx_InterpreterIdAndModule *end = read + data->count;
+    for (; read<end; ++read) {
+        if (read->module) {
+            write->id = read->id;
+            write->module = read->module;
+            ++write;
+        }
+    }
+    data->count = write - data->table;
+    for (; write<end; ++write) {
+        write->id = 0;
+        write->module = NULL;
+    }
+    data->interpreter_id_as_index = 0;
+}
+static int __Pyx_State_AddModule(PyObject* module, CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return -1;
+    int result = 0;
+    __Pyx_ModuleStateLookup_Lock();
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData *old_data = (__Pyx_ModuleStateLookupData *)
+            __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, 0);
+#else
+    __Pyx_ModuleStateLookupData *old_data = __Pyx_ModuleStateLookup_data;
+#endif
+    __Pyx_ModuleStateLookupData *new_data = old_data;
+    if (!new_data) {
+        new_data = (__Pyx_ModuleStateLookupData *)calloc(1, sizeof(__Pyx_ModuleStateLookupData));
+        if (!new_data) {
+            result = -1;
+            PyErr_NoMemory();
+            goto end;
+        }
+        new_data->allocated = 1;
+        new_data->interpreter_id_as_index = 1;
+    }
+    __Pyx_ModuleStateLookup_wait_until_no_readers();
+    if (new_data->interpreter_id_as_index) {
+        if (interpreter_id < __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE) {
+            result = __Pyx_State_AddModuleInterpIdAsIndex(&new_data, module, interpreter_id);
+            goto end;
+        }
+        __Pyx_State_ConvertFromInterpIdAsIndex(new_data);
+    }
+    {
+        Py_ssize_t insert_at = 0;
+        {
+            __Pyx_InterpreterIdAndModule* lower_bound = __Pyx_State_FindModuleStateLookupTableLowerBound(
+                new_data->table, new_data->count, interpreter_id);
+            assert(lower_bound);
+            insert_at = lower_bound - new_data->table;
+            if (unlikely(insert_at < new_data->count && lower_bound->id == interpreter_id)) {
+                lower_bound->module = module;
+                goto end;  // already in table, nothing more to do
+            }
+        }
+        if (new_data->count+1 >= new_data->allocated) {
+            Py_ssize_t to_allocate = (new_data->count+1)*2;
+            new_data =
+                (__Pyx_ModuleStateLookupData*)realloc(
+                    new_data,
+                    sizeof(__Pyx_ModuleStateLookupData) +
+                    (to_allocate-1)*sizeof(__Pyx_InterpreterIdAndModule));
+            if (!new_data) {
+                result = -1;
+                new_data = old_data;
+                PyErr_NoMemory();
+                goto end;
+            }
+            new_data->allocated = to_allocate;
+        }
+        ++new_data->count;
+        int64_t last_id = interpreter_id;
+        PyObject *last_module = module;
+        for (Py_ssize_t i=insert_at; i<new_data->count; ++i) {
+            int64_t current_id = new_data->table[i].id;
+            new_data->table[i].id = last_id;
+            last_id = current_id;
+            PyObject *current_module = new_data->table[i].module;
+            new_data->table[i].module = last_module;
+            last_module = current_module;
+        }
+    }
+  end:
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, new_data);
+#else
+    __Pyx_ModuleStateLookup_data = new_data;
+#endif
+    __Pyx_ModuleStateLookup_Unlock();
+    return result;
+}
+static int __Pyx_State_RemoveModule(CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return -1;
+    __Pyx_ModuleStateLookup_Lock();
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData *data = (__Pyx_ModuleStateLookupData *)
+            __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, 0);
+#else
+    __Pyx_ModuleStateLookupData *data = __Pyx_ModuleStateLookup_data;
+#endif
+    if (data->interpreter_id_as_index) {
+        if (interpreter_id < data->count) {
+            data->table[interpreter_id].module = NULL;
+        }
+        goto done;
+    }
+    {
+        __Pyx_ModuleStateLookup_wait_until_no_readers();
+        __Pyx_InterpreterIdAndModule* lower_bound = __Pyx_State_FindModuleStateLookupTableLowerBound(
+            data->table, data->count, interpreter_id);
+        if (!lower_bound) goto done;
+        if (lower_bound->id != interpreter_id) goto done;
+        __Pyx_InterpreterIdAndModule *end = data->table+data->count;
+        for (;lower_bound<end-1; ++lower_bound) {
+            lower_bound->id = (lower_bound+1)->id;
+            lower_bound->module = (lower_bound+1)->module;
+        }
+    }
+    --data->count;
+    if (data->count == 0) {
+        free(data);
+        data = NULL;
+    }
+  done:
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, data);
+#else
+    __Pyx_ModuleStateLookup_data = data;
+#endif
+    __Pyx_ModuleStateLookup_Unlock();
+    return 0;
+}
+#endif
+
+/* #### Code section: utility_code_pragmas_end ### */
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+
+
+/* #### Code section: end ### */
+#endif /* Py_PYTHON_H */
diff --git a/planarity/full/g6IterationUtils.pyx b/planarity/full/g6IterationUtils.pyx
new file mode 100644
index 0000000..054c424
--- /dev/null
+++ b/planarity/full/g6IterationUtils.pyx
@@ -0,0 +1,116 @@
+#!/usr/bin/env python
+# cython: embedsignature=True
+"""
+Cython wrapper for the Edge Addition Planarity Suite Graph Library
+
+Wraps structs pertaining to G6 file iteration using a Cython class and wraps
+pertinent functions and macros.
+"""
+
+from planarity.full cimport cappconst
+from planarity.full cimport cg6IterationDefs
+from planarity.full cimport cgraphLib
+
+from planarity.full cimport graph
+
+
+cdef class G6ReadIterator:
+    cdef cg6IterationDefs.G6ReadIteratorP _g6ReadIterator
+    cdef graph.Graph _currGraph
+
+    def __cinit__(self):
+        self._g6ReadIterator = NULL
+        
+        cdef graph.Graph currGraph = graph.Graph()
+
+        if cg6IterationDefs.allocateG6ReadIterator(&self._g6ReadIterator, currGraph._theGraph) != cappconst.OK:
+            raise MemoryError("allocateG6ReadIterator() failed.")
+
+        self._currGraph = currGraph
+        
+    def __dealloc__(self):
+        if self._g6ReadIterator != NULL:
+            if cg6IterationDefs.endG6ReadIteration(self._g6ReadIterator) != cappconst.OK:
+                raise RuntimeError("endG6ReadIteration() failed.")
+            
+            # NOTE: freeG6ReadIterator() NULLs out the pointer to currGraph on
+            # the C layer; when Python will then clean up the instance variables
+            # by calling their respective __dealloc__, so at that point the
+            # graphP will be cleaned up with gp_Free()
+            if cg6IterationDefs.freeG6ReadIterator(&self._g6ReadIterator) != cappconst.OK:
+                raise MemoryError("freeG6ReadIterator() failed.")
+    
+    def contents_exhausted(self):
+        return cg6IterationDefs.contentsExhausted(self._g6ReadIterator)
+    
+    def get_currGraph(self) -> graph.Graph:
+        return self._currGraph.get_wrapper_for_graphP()
+
+    def duplicate_currGraph(self) -> graph.Graph:
+        return self._currGraph.gp_DupGraph()
+
+    def begin_iteration(self, str infile_name):
+        # Convert Python str to UTF-8 encoded bytes, and then to const char *
+        cdef bytes encoded = infile_name.encode('utf-8')
+        cdef const char *FileName = encoded
+
+        if cg6IterationDefs.beginG6ReadIterationFromG6FilePath(self._g6ReadIterator, FileName) != cappconst.OK:
+            raise RuntimeError(f"beginG6ReadIteration() failed.")
+
+    def read_graph(self):
+        if cg6IterationDefs.readGraphUsingG6ReadIterator(self._g6ReadIterator) != cappconst.OK:
+            raise RuntimeError(f"readGraphUsingG6ReadIterator() failed.")
+        
+
+cdef class G6WriteIterator:
+    cdef cg6IterationDefs.G6WriteIteratorP _g6WriteIterator
+    cdef graph.Graph _currGraph
+
+    def __cinit__(self, graph.Graph graph_to_write):
+        self._g6WriteIterator = NULL
+
+        if graph_to_write.is_graph_NULL() or graph_to_write.gp_getN() == 0:
+            raise ValueError(
+                "Graph to write is invalid: either not allocated or not "
+                "initialized.")
+        
+        self._currGraph = graph_to_write
+
+        if cg6IterationDefs.allocateG6WriteIterator(&self._g6WriteIterator, graph_to_write._theGraph) != cappconst.OK:
+            raise MemoryError("allocateG6WriteIterator() failed.")
+
+    def __dealloc__(self):
+        if self._g6WriteIterator != NULL:
+            if cg6IterationDefs.endG6WriteIteration(self._g6WriteIterator) != cappconst.OK:
+                raise RuntimeError("endG6WriteIteration() failed.")
+            
+            if cg6IterationDefs.freeG6WriteIterator(&self._g6WriteIterator) != cappconst.OK:
+                raise MemoryError("freeG6WriteIterator() failed.")
+
+    def begin_iteration(self, str outfile_name):
+        # Convert Python str to UTF-8 encoded bytes, and then to const char *
+        cdef bytes encoded = outfile_name.encode('utf-8')
+        cdef const char *FileName = encoded
+
+        if cg6IterationDefs.beginG6WriteIterationToG6FilePath(self._g6WriteIterator, FileName) != cappconst.OK:
+            raise RuntimeError(f"beginG6WriteIteration() failed.")
+
+    def write_graph(self):
+        if cg6IterationDefs.writeGraphUsingG6WriteIterator(self._g6WriteIterator) != cappconst.OK:
+            raise RuntimeError(f"writeGraphUsingG6WriteIterator() failed.")
+        
+    def reinitialize_currGraph(self):
+        self._currGraph.gp_ReinitializeGraph()
+    
+    def update_graph_to_write(self, graph.Graph next_graph):
+        if next_graph.is_graph_NULL() or next_graph.gp_getN() == 0:
+            raise ValueError(
+                "Graph to write is invalid: either not allocated or not "
+                "initialized.")
+        
+        try:
+            self._currGraph.gp_CopyGraph(next_graph)
+        except RuntimeError as copy_graph_error:
+            raise RuntimeError(
+                "Failed to copy next_graph into G6WriteIterator's currGraph."
+            ) from copy_graph_error
diff --git a/planarity/full/graph.c b/planarity/full/graph.c
new file mode 100644
index 0000000..d056e81
--- /dev/null
+++ b/planarity/full/graph.c
@@ -0,0 +1,16502 @@
+/* Generated by Cython 3.2.4 */
+
+/* BEGIN: Cython Metadata
+{
+    "distutils": {
+        "include_dirs": [
+            "planarity/c/graphLib"
+        ],
+        "name": "planarity.full.graph",
+        "sources": [
+            "planarity/full/graph.pyx",
+            "planarity/c/graphLib/graphDFSUtils.c",
+            "planarity/c/graphLib/graphUtils.c",
+            "planarity/c/graphLib/io/g6-api-utilities.c",
+            "planarity/c/graphLib/io/g6-read-iterator.c",
+            "planarity/c/graphLib/io/strOrFile.c",
+            "planarity/c/graphLib/io/g6-write-iterator.c",
+            "planarity/c/graphLib/io/strbuf.c",
+            "planarity/c/graphLib/io/graphIO.c",
+            "planarity/c/graphLib/extensionSystem/graphExtensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK23Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK33Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK4Search.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK4Search_Extensions.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK33Search.c",
+            "planarity/c/graphLib/homeomorphSearch/graphK23Search.c",
+            "planarity/c/graphLib/planarityRelated/graphTests.c",
+            "planarity/c/graphLib/planarityRelated/graphEmbed.c",
+            "planarity/c/graphLib/planarityRelated/graphOuterplanarObstruction.c",
+            "planarity/c/graphLib/planarityRelated/graphNonplanar.c",
+            "planarity/c/graphLib/planarityRelated/graphIsolator.c",
+            "planarity/c/graphLib/planarityRelated/graphDrawPlanar.c",
+            "planarity/c/graphLib/planarityRelated/graphDrawPlanar_Extensions.c",
+            "planarity/c/graphLib/lowLevelUtils/stack.c",
+            "planarity/c/graphLib/lowLevelUtils/apiutils.c",
+            "planarity/c/graphLib/lowLevelUtils/listcoll.c"
+        ]
+    },
+    "module_name": "planarity.full.graph"
+}
+END: Cython Metadata */
+
+#ifndef PY_SSIZE_T_CLEAN
+#define PY_SSIZE_T_CLEAN
+#endif /* PY_SSIZE_T_CLEAN */
+/* InitLimitedAPI */
+#if defined(Py_LIMITED_API)
+  #if !defined(CYTHON_LIMITED_API)
+  #define CYTHON_LIMITED_API 1
+  #endif
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef _MSC_VER
+  #pragma message ("Limited API usage is enabled with 'CYTHON_LIMITED_API' but 'Py_LIMITED_API' does not define a Python target version. Consider setting 'Py_LIMITED_API' instead.")
+  #else
+  #warning Limited API usage is enabled with 'CYTHON_LIMITED_API' but 'Py_LIMITED_API' does not define a Python target version. Consider setting 'Py_LIMITED_API' instead.
+  #endif
+#endif
+
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x03080000
+    #error Cython requires Python 3.8+.
+#else
+#define __PYX_ABI_VERSION "3_2_4"
+#define CYTHON_HEX_VERSION 0x030204F0
+#define CYTHON_FUTURE_DIVISION 1
+/* CModulePreamble */
+#include <stddef.h>
+#ifndef offsetof
+  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+#if !defined(_WIN32) && !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+#define __PYX_COMMA ,
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+#define __PYX_LIMITED_VERSION_HEX PY_VERSION_HEX
+#if defined(GRAALVM_PYTHON)
+  /* For very preliminary testing purposes. Most variables are set the same as PyPy.
+     The existence of this section does not imply that anything works or is even tested */
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 1
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 0
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_ASSUME_SAFE_SIZE
+  #define CYTHON_ASSUME_SAFE_SIZE 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #undef CYTHON_PEP489_MULTI_PHASE_INIT
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #undef CYTHON_USE_TP_FINALIZE
+  #define CYTHON_USE_TP_FINALIZE 0
+  #undef CYTHON_USE_AM_SEND
+  #define CYTHON_USE_AM_SEND 0
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 1
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#elif defined(PYPY_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 1
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #ifndef CYTHON_ASSUME_SAFE_SIZE
+    #define CYTHON_ASSUME_SAFE_SIZE 1
+  #endif
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE (PYPY_VERSION_NUM >= 0x07030C00)
+  #endif
+  #undef CYTHON_USE_AM_SEND
+  #define CYTHON_USE_AM_SEND 0
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC (PYPY_VERSION_NUM >= 0x07031100)
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef Py_LIMITED_API
+    #undef __PYX_LIMITED_VERSION_HEX
+    #define __PYX_LIMITED_VERSION_HEX Py_LIMITED_API
+  #endif
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 1
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 1
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #endif
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #endif
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_ASSUME_SAFE_SIZE
+  #define CYTHON_ASSUME_SAFE_SIZE 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL (__PYX_LIMITED_VERSION_HEX >= 0x030C0000)
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #undef CYTHON_USE_SYS_MONITORING
+  #define CYTHON_USE_SYS_MONITORING 0
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #endif
+  #ifndef CYTHON_USE_AM_SEND
+    #define CYTHON_USE_AM_SEND (__PYX_LIMITED_VERSION_HEX >= 0x030A0000)
+  #endif
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 1
+  #endif
+  #undef CYTHON_IMMORTAL_CONSTANTS
+  #define CYTHON_IMMORTAL_CONSTANTS 0
+#else
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 1
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #ifdef Py_GIL_DISABLED
+    #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 1
+  #else
+    #define CYTHON_COMPILING_IN_CPYTHON_FREETHREADING 0
+  #endif
+  #if PY_VERSION_HEX < 0x030A0000
+    #undef CYTHON_USE_TYPE_SLOTS
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #elif !defined(CYTHON_USE_TYPE_SLOTS)
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #endif
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #ifndef CYTHON_USE_PYTYPE_LOOKUP
+    #define CYTHON_USE_PYTYPE_LOOKUP 1
+  #endif
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_USE_PYLIST_INTERNALS
+    #define CYTHON_USE_PYLIST_INTERNALS 0
+  #elif !defined(CYTHON_USE_PYLIST_INTERNALS)
+    #define CYTHON_USE_PYLIST_INTERNALS 1
+  #endif
+  #ifndef CYTHON_USE_UNICODE_INTERNALS
+    #define CYTHON_USE_UNICODE_INTERNALS 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING || PY_VERSION_HEX >= 0x030B00A2
+    #undef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #elif !defined(CYTHON_USE_UNICODE_WRITER)
+    #define CYTHON_USE_UNICODE_WRITER 1
+  #endif
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 1
+  #elif !defined(CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS)
+    #define CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_MACROS
+    #define CYTHON_ASSUME_SAFE_MACROS 1
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_SIZE
+    #define CYTHON_ASSUME_SAFE_SIZE 1
+  #endif
+  #ifndef CYTHON_UNPACK_METHODS
+    #define CYTHON_UNPACK_METHODS 1
+  #endif
+  #ifndef CYTHON_FAST_THREAD_STATE
+    #define CYTHON_FAST_THREAD_STATE 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_FAST_GIL
+    #define CYTHON_FAST_GIL 0
+  #elif !defined(CYTHON_FAST_GIL)
+    #define CYTHON_FAST_GIL (PY_VERSION_HEX < 0x030C00A6)
+  #endif
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL 1
+  #endif
+  #ifndef CYTHON_FAST_PYCALL
+    #define CYTHON_FAST_PYCALL 1
+  #endif
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #ifndef CYTHON_USE_SYS_MONITORING
+    #define CYTHON_USE_SYS_MONITORING (PY_VERSION_HEX >= 0x030d00B1)
+  #endif
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 1
+  #endif
+  #ifndef CYTHON_USE_AM_SEND
+    #define CYTHON_USE_AM_SEND 1
+  #endif
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    #undef CYTHON_USE_DICT_VERSIONS
+    #define CYTHON_USE_DICT_VERSIONS 0
+  #elif !defined(CYTHON_USE_DICT_VERSIONS)
+    #define CYTHON_USE_DICT_VERSIONS  (PY_VERSION_HEX < 0x030C00A5 && !CYTHON_USE_MODULE_STATE)
+  #endif
+  #ifndef CYTHON_USE_EXC_INFO_STACK
+    #define CYTHON_USE_EXC_INFO_STACK 1
+  #endif
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS (!CYTHON_COMPILING_IN_CPYTHON_FREETHREADING)
+  #endif
+  #if defined(CYTHON_IMMORTAL_CONSTANTS) && PY_VERSION_HEX < 0x030C0000
+    #undef CYTHON_IMMORTAL_CONSTANTS
+    #define CYTHON_IMMORTAL_CONSTANTS 0  // definitely won't work
+  #elif !defined(CYTHON_IMMORTAL_CONSTANTS)
+    #define CYTHON_IMMORTAL_CONSTANTS (PY_VERSION_HEX >= 0x030C0000 && !CYTHON_USE_MODULE_STATE && CYTHON_COMPILING_IN_CPYTHON_FREETHREADING)
+  #endif
+#endif
+#ifndef CYTHON_COMPRESS_STRINGS
+  #define CYTHON_COMPRESS_STRINGS 1
+#endif
+#ifndef CYTHON_FAST_PYCCALL
+#define CYTHON_FAST_PYCCALL  CYTHON_FAST_PYCALL
+#endif
+#ifndef CYTHON_VECTORCALL
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define CYTHON_VECTORCALL  (__PYX_LIMITED_VERSION_HEX >= 0x030C0000)
+#else
+#define CYTHON_VECTORCALL  (CYTHON_FAST_PYCCALL)
+#endif
+#endif
+#if CYTHON_USE_PYLONG_INTERNALS
+  #undef SHIFT
+  #undef BASE
+  #undef MASK
+  #ifdef SIZEOF_VOID_P
+    enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) };
+  #endif
+#endif
+#ifndef __has_attribute
+  #define __has_attribute(x) 0
+#endif
+#ifndef __has_cpp_attribute
+  #define __has_cpp_attribute(x) 0
+#endif
+#ifndef CYTHON_RESTRICT
+  #if defined(__GNUC__)
+    #define CYTHON_RESTRICT __restrict__
+  #elif defined(_MSC_VER) && _MSC_VER >= 1400
+    #define CYTHON_RESTRICT __restrict
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_RESTRICT restrict
+  #else
+    #define CYTHON_RESTRICT
+  #endif
+#endif
+#ifndef CYTHON_UNUSED
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(maybe_unused) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(maybe_unused)
+        #define CYTHON_UNUSED [[maybe_unused]]
+      #endif
+    #endif
+  #endif
+#endif
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+#ifndef CYTHON_UNUSED_VAR
+#  if defined(__cplusplus)
+     template<class T> void CYTHON_UNUSED_VAR( const T& ) { }
+#  else
+#    define CYTHON_UNUSED_VAR(x) (void)(x)
+#  endif
+#endif
+#ifndef CYTHON_MAYBE_UNUSED_VAR
+  #define CYTHON_MAYBE_UNUSED_VAR(x) CYTHON_UNUSED_VAR(x)
+#endif
+#ifndef CYTHON_NCP_UNUSED
+# if CYTHON_COMPILING_IN_CPYTHON && !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#  define CYTHON_NCP_UNUSED
+# else
+#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
+# endif
+#endif
+#ifndef CYTHON_USE_CPP_STD_MOVE
+  #if defined(__cplusplus) && (\
+    __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600))
+    #define CYTHON_USE_CPP_STD_MOVE 1
+  #else
+    #define CYTHON_USE_CPP_STD_MOVE 0
+  #endif
+#endif
+#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
+#include <stdint.h>
+typedef uintptr_t  __pyx_uintptr_t;
+#ifndef CYTHON_FALLTHROUGH
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(fallthrough) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(fallthrough)
+        #define CYTHON_FALLTHROUGH [[fallthrough]]
+      #endif
+    #endif
+    #ifndef CYTHON_FALLTHROUGH
+      #if __has_cpp_attribute(clang::fallthrough)
+        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+      #elif __has_cpp_attribute(gnu::fallthrough)
+        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+      #endif
+    #endif
+  #endif
+  #ifndef CYTHON_FALLTHROUGH
+    #if __has_attribute(fallthrough)
+      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
+    #else
+      #define CYTHON_FALLTHROUGH
+    #endif
+  #endif
+  #if defined(__clang__) && defined(__apple_build_version__)
+    #if __apple_build_version__ < 7000000
+      #undef  CYTHON_FALLTHROUGH
+      #define CYTHON_FALLTHROUGH
+    #endif
+  #endif
+#endif
+#ifndef Py_UNREACHABLE
+  #define Py_UNREACHABLE()  assert(0); abort()
+#endif
+#ifdef __cplusplus
+  template <typename T>
+  struct __PYX_IS_UNSIGNED_IMPL {static const bool value = T(0) < T(-1);};
+  #define __PYX_IS_UNSIGNED(type) (__PYX_IS_UNSIGNED_IMPL<type>::value)
+#else
+  #define __PYX_IS_UNSIGNED(type) (((type)-1) > 0)
+#endif
+#if CYTHON_COMPILING_IN_PYPY == 1
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX < 0x030A0000)
+#else
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX < 0x03090000)
+#endif
+#define __PYX_REINTERPRET_FUNCION(func_pointer, other_pointer) ((func_pointer)(void(*)(void))(other_pointer))
+
+/* CInitCode */
+#ifndef CYTHON_INLINE
+  #if defined(__clang__)
+    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
+  #elif defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* PythonCompatibility */
+#define __PYX_BUILD_PY_SSIZE_T "n"
+#define CYTHON_FORMAT_SSIZE_T "z"
+#define __Pyx_BUILTIN_MODULE_NAME "builtins"
+#define __Pyx_DefaultClassType PyType_Type
+#if CYTHON_COMPILING_IN_LIMITED_API
+    #ifndef CO_OPTIMIZED
+    static int CO_OPTIMIZED;
+    #endif
+    #ifndef CO_NEWLOCALS
+    static int CO_NEWLOCALS;
+    #endif
+    #ifndef CO_VARARGS
+    static int CO_VARARGS;
+    #endif
+    #ifndef CO_VARKEYWORDS
+    static int CO_VARKEYWORDS;
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+    static int CO_ASYNC_GENERATOR;
+    #endif
+    #ifndef CO_GENERATOR
+    static int CO_GENERATOR;
+    #endif
+    #ifndef CO_COROUTINE
+    static int CO_COROUTINE;
+    #endif
+#else
+    #ifndef CO_COROUTINE
+      #define CO_COROUTINE 0x80
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+      #define CO_ASYNC_GENERATOR 0x200
+    #endif
+#endif
+static int __Pyx_init_co_variables(void);
+#if PY_VERSION_HEX >= 0x030900A4 || defined(Py_IS_TYPE)
+  #define __Pyx_IS_TYPE(ob, type) Py_IS_TYPE(ob, type)
+#else
+  #define __Pyx_IS_TYPE(ob, type) (((const PyObject*)ob)->ob_type == (type))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_Is)
+  #define __Pyx_Py_Is(x, y)  Py_Is(x, y)
+#else
+  #define __Pyx_Py_Is(x, y) ((x) == (y))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsNone)
+  #define __Pyx_Py_IsNone(ob) Py_IsNone(ob)
+#else
+  #define __Pyx_Py_IsNone(ob) __Pyx_Py_Is((ob), Py_None)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsTrue)
+  #define __Pyx_Py_IsTrue(ob) Py_IsTrue(ob)
+#else
+  #define __Pyx_Py_IsTrue(ob) __Pyx_Py_Is((ob), Py_True)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsFalse)
+  #define __Pyx_Py_IsFalse(ob) Py_IsFalse(ob)
+#else
+  #define __Pyx_Py_IsFalse(ob) __Pyx_Py_Is((ob), Py_False)
+#endif
+#define __Pyx_NoneAsNull(obj)  (__Pyx_Py_IsNone(obj) ? NULL : (obj))
+#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
+#else
+  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
+#endif
+#ifndef Py_TPFLAGS_CHECKTYPES
+  #define Py_TPFLAGS_CHECKTYPES 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_INDEX
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+#ifndef Py_TPFLAGS_HAVE_FINALIZE
+  #define Py_TPFLAGS_HAVE_FINALIZE 0
+#endif
+#ifndef Py_TPFLAGS_SEQUENCE
+  #define Py_TPFLAGS_SEQUENCE 0
+#endif
+#ifndef Py_TPFLAGS_MAPPING
+  #define Py_TPFLAGS_MAPPING 0
+#endif
+#ifndef Py_TPFLAGS_IMMUTABLETYPE
+  #define Py_TPFLAGS_IMMUTABLETYPE (1UL << 8)
+#endif
+#ifndef Py_TPFLAGS_DISALLOW_INSTANTIATION
+  #define Py_TPFLAGS_DISALLOW_INSTANTIATION (1UL << 7)
+#endif
+#ifndef METH_STACKLESS
+  #define METH_STACKLESS 0
+#endif
+#ifndef METH_FASTCALL
+  #ifndef METH_FASTCALL
+     #define METH_FASTCALL 0x80
+  #endif
+  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
+  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
+                                                          Py_ssize_t nargs, PyObject *kwnames);
+#else
+  #if PY_VERSION_HEX >= 0x030d00A4
+  #  define __Pyx_PyCFunctionFast PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords PyCFunctionFastWithKeywords
+  #else
+  #  define __Pyx_PyCFunctionFast _PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #endif
+#endif
+#if CYTHON_METH_FASTCALL
+  #define __Pyx_METH_FASTCALL METH_FASTCALL
+  #define __Pyx_PyCFunction_FastCall __Pyx_PyCFunctionFast
+  #define __Pyx_PyCFunction_FastCallWithKeywords __Pyx_PyCFunctionFastWithKeywords
+#else
+  #define __Pyx_METH_FASTCALL METH_VARARGS
+  #define __Pyx_PyCFunction_FastCall PyCFunction
+  #define __Pyx_PyCFunction_FastCallWithKeywords PyCFunctionWithKeywords
+#endif
+#if CYTHON_VECTORCALL
+  #define __pyx_vectorcallfunc vectorcallfunc
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  PY_VECTORCALL_ARGUMENTS_OFFSET
+  #define __Pyx_PyVectorcall_NARGS(n)  PyVectorcall_NARGS((size_t)(n))
+#else
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  0
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(n))
+#endif
+#if PY_VERSION_HEX >= 0x030900B1
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_CheckExact(func)
+#else
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_Check(func)
+#endif
+#define __Pyx_CyOrPyCFunction_Check(func)  PyCFunction_Check(func)
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  (((PyCFunctionObject*)(func))->m_ml->ml_meth)
+#elif !CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  PyCFunction_GET_FUNCTION(func)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FLAGS(func)  (((PyCFunctionObject*)(func))->m_ml->ml_flags)
+static CYTHON_INLINE PyObject* __Pyx_CyOrPyCFunction_GET_SELF(PyObject *func) {
+    return (__Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_STATIC) ? NULL : ((PyCFunctionObject*)func)->m_self;
+}
+#endif
+static CYTHON_INLINE int __Pyx__IsSameCFunction(PyObject *func, void (*cfunc)(void)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    return PyCFunction_Check(func) && PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+#else
+    return PyCFunction_Check(func) && PyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+#endif
+}
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCFunction(func, cfunc)
+#if PY_VERSION_HEX < 0x03090000 || (CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000)
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  ((void)m, PyType_FromSpecWithBases(s, b))
+  typedef PyObject *(*__Pyx_PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *, size_t, PyObject *);
+#else
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  PyType_FromModuleAndSpec(m, s, b)
+  #define __Pyx_PyCMethod  PyCMethod
+#endif
+#ifndef METH_METHOD
+  #define METH_METHOD 0x200
+#endif
+#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
+  #define PyObject_Malloc(s)   PyMem_Malloc(s)
+  #define PyObject_Free(p)     PyMem_Free(p)
+  #define PyObject_Realloc(p)  PyMem_Realloc(p)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)
+#elif CYTHON_COMPILING_IN_GRAAL && defined(GRAALPY_VERSION_NUM) && GRAALPY_VERSION_NUM > 0x19000000
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) GraalPyFrame_SetLineNumber((frame), (lineno))
+#elif CYTHON_COMPILING_IN_GRAAL
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) _PyFrame_SetLineNumber((frame), (lineno))
+#else
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyThreadState_Current PyThreadState_Get()
+#elif !CYTHON_FAST_THREAD_STATE
+  #define __Pyx_PyThreadState_Current PyThreadState_GET()
+#elif PY_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyThreadState_Current PyThreadState_GetUnchecked()
+#else
+  #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
+#endif
+#if CYTHON_USE_MODULE_STATE
+static CYTHON_INLINE void *__Pyx__PyModule_GetState(PyObject *op)
+{
+    void *result;
+    result = PyModule_GetState(op);
+    if (!result)
+        Py_FatalError("Couldn't find the module state");
+    return result;
+}
+#define __Pyx_PyModule_GetState(o) (__pyx_mstatetype *)__Pyx__PyModule_GetState(o)
+#else
+#define __Pyx_PyModule_GetState(op) ((void)op,__pyx_mstate_global)
+#endif
+#define __Pyx_PyObject_GetSlot(obj, name, func_ctype)  __Pyx_PyType_GetSlot(Py_TYPE((PyObject *) obj), name, func_ctype)
+#define __Pyx_PyObject_TryGetSlot(obj, name, func_ctype) __Pyx_PyType_TryGetSlot(Py_TYPE(obj), name, func_ctype)
+#define __Pyx_PyObject_GetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_GetSubSlot(Py_TYPE(obj), sub, name, func_ctype)
+#define __Pyx_PyObject_TryGetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_TryGetSubSlot(Py_TYPE(obj), sub, name, func_ctype)
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((type)->name)
+  #define __Pyx_PyType_TryGetSlot(type, name, func_ctype) __Pyx_PyType_GetSlot(type, name, func_ctype)
+  #define __Pyx_PyType_GetSubSlot(type, sub, name, func_ctype) (((type)->sub) ? ((type)->sub->name) : NULL)
+  #define __Pyx_PyType_TryGetSubSlot(type, sub, name, func_ctype) __Pyx_PyType_GetSubSlot(type, sub, name, func_ctype)
+#else
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((func_ctype) PyType_GetSlot((type), Py_##name))
+  #define __Pyx_PyType_TryGetSlot(type, name, func_ctype)\
+    ((__PYX_LIMITED_VERSION_HEX >= 0x030A0000 ||\
+     (PyType_GetFlags(type) & Py_TPFLAGS_HEAPTYPE) || __Pyx_get_runtime_version() >= 0x030A0000) ?\
+     __Pyx_PyType_GetSlot(type, name, func_ctype) : NULL)
+  #define __Pyx_PyType_GetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_GetSlot(obj, name, func_ctype)
+  #define __Pyx_PyType_TryGetSubSlot(obj, sub, name, func_ctype) __Pyx_PyType_TryGetSlot(obj, name, func_ctype)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
+#define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
+#else
+#define __Pyx_PyDict_NewPresized(n)  PyDict_New()
+#endif
+#define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+#define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_UNICODE_INTERNALS
+#define __Pyx_PyDict_GetItemStrWithError(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStr(PyObject *dict, PyObject *name) {
+    PyObject *res = __Pyx_PyDict_GetItemStrWithError(dict, name);
+    if (res == NULL) PyErr_Clear();
+    return res;
+}
+#elif !CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07020000
+#define __Pyx_PyDict_GetItemStrWithError  PyDict_GetItemWithError
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#else
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict, PyObject *name) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyDict_GetItem(dict, name);
+#else
+    PyDictEntry *ep;
+    PyDictObject *mp = (PyDictObject*) dict;
+    long hash = ((PyStringObject *) name)->ob_shash;
+    assert(hash != -1);
+    ep = (mp->ma_lookup)(mp, name, hash);
+    if (ep == NULL) {
+        return NULL;
+    }
+    return ep->me_value;
+#endif
+}
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#endif
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetFlags(tp)   (((PyTypeObject *)tp)->tp_flags)
+  #define __Pyx_PyType_HasFeature(type, feature)  ((__Pyx_PyType_GetFlags(type) & (feature)) != 0)
+#else
+  #define __Pyx_PyType_GetFlags(tp)   (PyType_GetFlags((PyTypeObject *)tp))
+  #define __Pyx_PyType_HasFeature(type, feature)  PyType_HasFeature(type, feature)
+#endif
+#define __Pyx_PyObject_GetIterNextFunc(iterator)  __Pyx_PyObject_GetSlot(iterator, tp_iternext, iternextfunc)
+#if CYTHON_USE_TYPE_SPECS
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  {\
+    PyTypeObject *type = Py_TYPE((PyObject*)obj);\
+    assert(__Pyx_PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE));\
+    PyObject_GC_Del(obj);\
+    Py_DECREF(type);\
+}
+#else
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  PyObject_GC_Del(obj)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_ReadChar(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((void)u, 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((void)u, (0))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)k, PyUnicode_ReadChar((PyObject*)(d), i))
+  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GetLength(u))
+#else
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_READY(op)       (0)
+  #else
+    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
+                                                0 : _PyUnicode_Ready((PyObject *)(op)))
+  #endif
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)PyUnicode_KIND(u))
+  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, (Py_UCS4) ch)
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
+  #else
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+    #else
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
+    #endif
+  #endif
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
+#else
+  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
+      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #if !defined(PyUnicode_DecodeUnicodeEscape)
+    #define PyUnicode_DecodeUnicodeEscape(s, size, errors)  PyUnicode_Decode(s, size, "unicode_escape", errors)
+  #endif
+  #if !defined(PyUnicode_Contains)
+    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
+  #endif
+  #if !defined(PyByteArray_Check)
+    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
+  #endif
+  #if !defined(PyObject_Format)
+    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+  #endif
+#endif
+#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030E0000
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && PyUnstable_Object_IsUniquelyReferenced(obj)) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#elif CYTHON_COMPILING_IN_CPYTHON
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && Py_REFCNT(obj) == 1) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#else
+  #define __Pyx_PySequence_ListKeepNew(obj)  PySequence_List(obj)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
+#endif
+#if PY_VERSION_HEX >= 0x030900A4
+  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
+  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
+#else
+  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
+  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
+#endif
+enum __Pyx_ReferenceSharing {
+  __Pyx_ReferenceSharing_DefinitelyUnique, // We created it so we know it's unshared - no need to check
+  __Pyx_ReferenceSharing_OwnStrongReference,
+  __Pyx_ReferenceSharing_FunctionArgument,
+  __Pyx_ReferenceSharing_SharedReference, // Never trust it to be unshared because it's a global or similar
+};
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && PY_VERSION_HEX >= 0x030E0000
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing)\
+    (sharing == __Pyx_ReferenceSharing_DefinitelyUnique ? 1 :\
+      (sharing == __Pyx_ReferenceSharing_FunctionArgument ? PyUnstable_Object_IsUniqueReferencedTemporary(o) :\
+      (sharing == __Pyx_ReferenceSharing_OwnStrongReference ? PyUnstable_Object_IsUniquelyReferenced(o) : 0)))
+#elif (CYTHON_COMPILING_IN_CPYTHON && !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING) || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing) (((void)sharing), Py_REFCNT(o) == 1)
+#else
+#define __Pyx_IS_UNIQUELY_REFERENCED(o, sharing) (((void)o), ((void)sharing), 0)
+#endif
+#if CYTHON_AVOID_BORROWED_REFS || CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+  #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    #define __Pyx_PyList_GetItemRef(o, i) PyList_GetItemRef(o, i)
+  #elif CYTHON_COMPILING_IN_LIMITED_API || !CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_PyList_GetItemRef(o, i) (likely((i) >= 0) ? PySequence_GetItem(o, i) : (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
+  #else
+    #define __Pyx_PyList_GetItemRef(o, i) PySequence_ITEM(o, i)
+  #endif
+#elif CYTHON_COMPILING_IN_LIMITED_API || !CYTHON_ASSUME_SAFE_MACROS
+  #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    #define __Pyx_PyList_GetItemRef(o, i) PyList_GetItemRef(o, i)
+  #else
+    #define __Pyx_PyList_GetItemRef(o, i) __Pyx_XNewRef(PyList_GetItem(o, i))
+  #endif
+#else
+  #define __Pyx_PyList_GetItemRef(o, i) __Pyx_NewRef(PyList_GET_ITEM(o, i))
+#endif
+#if CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS && !CYTHON_COMPILING_IN_LIMITED_API && CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PyList_GetItemRefFast(o, i, unsafe_shared) (__Pyx_IS_UNIQUELY_REFERENCED(o, unsafe_shared) ?\
+    __Pyx_NewRef(PyList_GET_ITEM(o, i)) : __Pyx_PyList_GetItemRef(o, i))
+#else
+  #define __Pyx_PyList_GetItemRefFast(o, i, unsafe_shared) __Pyx_PyList_GetItemRef(o, i)
+#endif
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+#define __Pyx_PyDict_GetItemRef(dict, key, result) PyDict_GetItemRef(dict, key, result)
+#elif CYTHON_AVOID_BORROWED_REFS || CYTHON_AVOID_THREAD_UNSAFE_BORROWED_REFS
+static CYTHON_INLINE int __Pyx_PyDict_GetItemRef(PyObject *dict, PyObject *key, PyObject **result) {
+  *result = PyObject_GetItem(dict, key);
+  if (*result == NULL) {
+    if (PyErr_ExceptionMatches(PyExc_KeyError)) {
+      PyErr_Clear();
+      return 0;
+    }
+    return -1;
+  }
+  return 1;
+}
+#else
+static CYTHON_INLINE int __Pyx_PyDict_GetItemRef(PyObject *dict, PyObject *key, PyObject **result) {
+  *result = PyDict_GetItemWithError(dict, key);
+  if (*result == NULL) {
+    return PyErr_Occurred() ? -1 : 0;
+  }
+  Py_INCREF(*result);
+  return 1;
+}
+#endif
+#if defined(CYTHON_DEBUG_VISIT_CONST) && CYTHON_DEBUG_VISIT_CONST
+  #define __Pyx_VISIT_CONST(obj)  Py_VISIT(obj)
+#else
+  #define __Pyx_VISIT_CONST(obj)
+#endif
+#if CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_ITEM(o, i)
+  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) (PyTuple_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyTuple_GET_ITEM(o, i) PyTuple_GET_ITEM(o, i)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) (PyList_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyList_GET_ITEM(o, i) PyList_GET_ITEM(o, i)
+#else
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_GetItem(o, i)
+  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) PyTuple_SetItem(o, i, v)
+  #define __Pyx_PyTuple_GET_ITEM(o, i) PyTuple_GetItem(o, i)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) PyList_SetItem(o, i, v)
+  #define __Pyx_PyList_GET_ITEM(o, i) PyList_GetItem(o, i)
+#endif
+#if CYTHON_ASSUME_SAFE_SIZE
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_GET_SIZE(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_GET_SIZE(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_GET_SIZE(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_GET_SIZE(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_GET_SIZE(o)
+  #define __Pyx_PyUnicode_GET_LENGTH(o) PyUnicode_GET_LENGTH(o)
+#else
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_Size(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_Size(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_Size(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_Size(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_Size(o)
+  #define __Pyx_PyUnicode_GET_LENGTH(o) PyUnicode_GetLength(o)
+#endif
+#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_InternFromString)
+  #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
+#endif
+#define __Pyx_PyLong_FromHash_t PyLong_FromSsize_t
+#define __Pyx_PyLong_AsHash_t   __Pyx_PyIndex_AsSsize_t
+#if __PYX_LIMITED_VERSION_HEX >= 0x030A0000
+    #define __Pyx_PySendResult PySendResult
+#else
+    typedef enum {
+        PYGEN_RETURN = 0,
+        PYGEN_ERROR = -1,
+        PYGEN_NEXT = 1,
+    } __Pyx_PySendResult;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API || PY_VERSION_HEX < 0x030A00A3
+  typedef __Pyx_PySendResult (*__Pyx_pyiter_sendfunc)(PyObject *iter, PyObject *value, PyObject **result);
+#else
+  #define __Pyx_pyiter_sendfunc sendfunc
+#endif
+#if !CYTHON_USE_AM_SEND
+#define __PYX_HAS_PY_AM_SEND 0
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030A0000
+#define __PYX_HAS_PY_AM_SEND 1
+#else
+#define __PYX_HAS_PY_AM_SEND 2  // our own backported implementation
+#endif
+#if __PYX_HAS_PY_AM_SEND < 2
+    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
+#else
+    typedef struct {
+        unaryfunc am_await;
+        unaryfunc am_aiter;
+        unaryfunc am_anext;
+        __Pyx_pyiter_sendfunc am_send;
+    } __Pyx_PyAsyncMethodsStruct;
+    #define __Pyx_SlotTpAsAsync(s) ((PyAsyncMethods*)(s))
+#endif
+#if CYTHON_USE_AM_SEND && PY_VERSION_HEX < 0x030A00F0
+    #define __Pyx_TPFLAGS_HAVE_AM_SEND (1UL << 21)
+#else
+    #define __Pyx_TPFLAGS_HAVE_AM_SEND (0)
+#endif
+#if PY_VERSION_HEX >= 0x03090000
+#define __Pyx_PyInterpreterState_Get() PyInterpreterState_Get()
+#else
+#define __Pyx_PyInterpreterState_Get() PyThreadState_Get()->interp
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030A0000
+#ifdef __cplusplus
+extern "C"
+#endif
+PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_init_co_variable(PyObject *inspect, const char* name, int *write_to) {
+    int value;
+    PyObject *py_value = PyObject_GetAttrString(inspect, name);
+    if (!py_value) return 0;
+    value = (int) PyLong_AsLong(py_value);
+    Py_DECREF(py_value);
+    *write_to = value;
+    return value != -1 || !PyErr_Occurred();
+}
+static int __Pyx_init_co_variables(void) {
+    PyObject *inspect;
+    int result;
+    inspect = PyImport_ImportModule("inspect");
+    result =
+#if !defined(CO_OPTIMIZED)
+        __Pyx_init_co_variable(inspect, "CO_OPTIMIZED", &CO_OPTIMIZED) &&
+#endif
+#if !defined(CO_NEWLOCALS)
+        __Pyx_init_co_variable(inspect, "CO_NEWLOCALS", &CO_NEWLOCALS) &&
+#endif
+#if !defined(CO_VARARGS)
+        __Pyx_init_co_variable(inspect, "CO_VARARGS", &CO_VARARGS) &&
+#endif
+#if !defined(CO_VARKEYWORDS)
+        __Pyx_init_co_variable(inspect, "CO_VARKEYWORDS", &CO_VARKEYWORDS) &&
+#endif
+#if !defined(CO_ASYNC_GENERATOR)
+        __Pyx_init_co_variable(inspect, "CO_ASYNC_GENERATOR", &CO_ASYNC_GENERATOR) &&
+#endif
+#if !defined(CO_GENERATOR)
+        __Pyx_init_co_variable(inspect, "CO_GENERATOR", &CO_GENERATOR) &&
+#endif
+#if !defined(CO_COROUTINE)
+        __Pyx_init_co_variable(inspect, "CO_COROUTINE", &CO_COROUTINE) &&
+#endif
+        1;
+    Py_DECREF(inspect);
+    return result ? 0 : -1;
+}
+#else
+static int __Pyx_init_co_variables(void) {
+    return 0;  // It's a limited API-only feature
+}
+#endif
+
+/* MathInitCode */
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+  #ifndef _USE_MATH_DEFINES
+    #define _USE_MATH_DEFINES
+  #endif
+#endif
+#include <math.h>
+#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
+#define __Pyx_truncl trunc
+#else
+#define __Pyx_truncl truncl
+#endif
+
+#ifndef CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#define CYTHON_CLINE_IN_TRACEBACK_RUNTIME 0
+#endif
+#ifndef CYTHON_CLINE_IN_TRACEBACK
+#define CYTHON_CLINE_IN_TRACEBACK CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#endif
+#if CYTHON_CLINE_IN_TRACEBACK
+#define __PYX_MARK_ERR_POS(f_index, lineno)  { __pyx_filename = __pyx_f[f_index]; (void) __pyx_filename; __pyx_lineno = lineno; (void) __pyx_lineno; __pyx_clineno = __LINE__; (void) __pyx_clineno; }
+#else
+#define __PYX_MARK_ERR_POS(f_index, lineno)  { __pyx_filename = __pyx_f[f_index]; (void) __pyx_filename; __pyx_lineno = lineno; (void) __pyx_lineno; (void) __pyx_clineno; }
+#endif
+#define __PYX_ERR(f_index, lineno, Ln_error) \
+    { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
+
+#ifdef CYTHON_EXTERN_C
+    #undef __PYX_EXTERN_C
+    #define __PYX_EXTERN_C CYTHON_EXTERN_C
+#elif defined(__PYX_EXTERN_C)
+    #ifdef _MSC_VER
+    #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.")
+    #else
+    #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.
+    #endif
+#else
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#define __PYX_HAVE__planarity__full__graph
+#define __PYX_HAVE_API__planarity__full__graph
+/* Early includes */
+#include "../c/graphLib/graphStructures.h"
+#include "../c/graphLib/graph.h"
+#include "../c/graphLib/planarityRelated/graphDrawPlanar.h"
+#include "../c/graphLib/homeomorphSearch/graphK23Search.h"
+#include "../c/graphLib/homeomorphSearch/graphK33Search.h"
+#include "../c/graphLib/homeomorphSearch/graphK4Search.h"
+#include "../c/graphLib/lowLevelUtils/appconst.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+#ifdef CYTHON_FREETHREADING_COMPATIBLE
+#if CYTHON_FREETHREADING_COMPATIBLE
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_NOT_USED
+#else
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_USED
+#endif
+#else
+#define __Pyx_FREETHREADING_COMPATIBLE Py_MOD_GIL_USED
+#endif
+#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
+#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
+#define __PYX_DEFAULT_STRING_ENCODING ""
+#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
+#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#define __Pyx_uchar_cast(c) ((unsigned char)c)
+#define __Pyx_long_cast(x) ((long)x)
+#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
+    (sizeof(type) < sizeof(Py_ssize_t))  ||\
+    (sizeof(type) > sizeof(Py_ssize_t) &&\
+          likely(v < (type)PY_SSIZE_T_MAX ||\
+                 v == (type)PY_SSIZE_T_MAX)  &&\
+          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
+                                v == (type)PY_SSIZE_T_MIN)))  ||\
+    (sizeof(type) == sizeof(Py_ssize_t) &&\
+          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
+                               v == (type)PY_SSIZE_T_MAX)))  )
+static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
+    return (size_t) i < (size_t) limit;
+}
+#if defined (__cplusplus) && __cplusplus >= 201103L
+    #include <cstdlib>
+    #define __Pyx_sst_abs(value) std::abs(value)
+#elif SIZEOF_INT >= SIZEOF_SIZE_T
+    #define __Pyx_sst_abs(value) abs(value)
+#elif SIZEOF_LONG >= SIZEOF_SIZE_T
+    #define __Pyx_sst_abs(value) labs(value)
+#elif defined (_MSC_VER)
+    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
+#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define __Pyx_sst_abs(value) llabs(value)
+#elif defined (__GNUC__)
+    #define __Pyx_sst_abs(value) __builtin_llabs(value)
+#else
+    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
+#endif
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s);
+static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
+static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char*);
+#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
+#define __Pyx_PyBytes_FromString        PyBytes_FromString
+#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
+#if CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
+    #define __Pyx_PyByteArray_AsString(s) PyByteArray_AS_STRING(s)
+#else
+    #define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AsString(s))
+    #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AsString(s))
+    #define __Pyx_PyByteArray_AsString(s) PyByteArray_AsString(s)
+#endif
+#define __Pyx_PyObject_AsWritableString(s)    ((char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
+#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
+#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromOrdinal(o)       PyUnicode_FromOrdinal((int)o)
+#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
+static CYTHON_INLINE PyObject *__Pyx_NewRef(PyObject *obj) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030a0000 || defined(Py_NewRef)
+    return Py_NewRef(obj);
+#else
+    Py_INCREF(obj);
+    return obj;
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_XNewRef(PyObject *obj) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030a0000 || defined(Py_XNewRef)
+    return Py_XNewRef(obj);
+#else
+    Py_XINCREF(obj);
+    return obj;
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_Owned_Py_None(int b);
+static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Long(PyObject* x);
+#define __Pyx_PySequence_Tuple(obj)\
+    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyLong_FromSize_t(size_t);
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
+#if CYTHON_ASSUME_SAFE_MACROS
+#define __Pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __Pyx_PyFloat_AS_DOUBLE(x) PyFloat_AS_DOUBLE(x)
+#else
+#define __Pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#define __Pyx_PyFloat_AS_DOUBLE(x) PyFloat_AsDouble(x)
+#endif
+#define __Pyx_PyFloat_AsFloat(x) ((float) __Pyx_PyFloat_AsDouble(x))
+#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
+#if CYTHON_USE_PYLONG_INTERNALS
+  #if PY_VERSION_HEX >= 0x030C00A7
+  #ifndef _PyLong_SIGN_MASK
+    #define _PyLong_SIGN_MASK 3
+  #endif
+  #ifndef _PyLong_NON_SIZE_BITS
+    #define _PyLong_NON_SIZE_BITS 3
+  #endif
+  #define __Pyx_PyLong_Sign(x)  (((PyLongObject*)x)->long_value.lv_tag & _PyLong_SIGN_MASK)
+  #define __Pyx_PyLong_IsNeg(x)  ((__Pyx_PyLong_Sign(x) & 2) != 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (!__Pyx_PyLong_IsNeg(x))
+  #define __Pyx_PyLong_IsZero(x)  (__Pyx_PyLong_Sign(x) & 1)
+  #define __Pyx_PyLong_IsPos(x)  (__Pyx_PyLong_Sign(x) == 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  (__Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  ((Py_ssize_t) (((PyLongObject*)x)->long_value.lv_tag >> _PyLong_NON_SIZE_BITS))
+  #define __Pyx_PyLong_SignedDigitCount(x)\
+        ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * __Pyx_PyLong_DigitCount(x))
+  #if defined(PyUnstable_Long_IsCompact) && defined(PyUnstable_Long_CompactValue)
+    #define __Pyx_PyLong_IsCompact(x)     PyUnstable_Long_IsCompact((PyLongObject*) x)
+    #define __Pyx_PyLong_CompactValue(x)  PyUnstable_Long_CompactValue((PyLongObject*) x)
+  #else
+    #define __Pyx_PyLong_IsCompact(x)     (((PyLongObject*)x)->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS))
+    #define __Pyx_PyLong_CompactValue(x)  ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * (Py_ssize_t) __Pyx_PyLong_Digits(x)[0])
+  #endif
+  typedef Py_ssize_t  __Pyx_compact_pylong;
+  typedef size_t  __Pyx_compact_upylong;
+  #else
+  #define __Pyx_PyLong_IsNeg(x)  (Py_SIZE(x) < 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (Py_SIZE(x) >= 0)
+  #define __Pyx_PyLong_IsZero(x)  (Py_SIZE(x) == 0)
+  #define __Pyx_PyLong_IsPos(x)  (Py_SIZE(x) > 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  ((Py_SIZE(x) == 0) ? 0 : __Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  __Pyx_sst_abs(Py_SIZE(x))
+  #define __Pyx_PyLong_SignedDigitCount(x)  Py_SIZE(x)
+  #define __Pyx_PyLong_IsCompact(x)  (Py_SIZE(x) == 0 || Py_SIZE(x) == 1 || Py_SIZE(x) == -1)
+  #define __Pyx_PyLong_CompactValue(x)\
+        ((Py_SIZE(x) == 0) ? (sdigit) 0 : ((Py_SIZE(x) < 0) ? -(sdigit)__Pyx_PyLong_Digits(x)[0] : (sdigit)__Pyx_PyLong_Digits(x)[0]))
+  typedef sdigit  __Pyx_compact_pylong;
+  typedef digit  __Pyx_compact_upylong;
+  #endif
+  #if PY_VERSION_HEX >= 0x030C00A5
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->long_value.ob_digit)
+  #else
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->ob_digit)
+  #endif
+#endif
+#if __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
+#elif __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeASCII(c_str, size, NULL)
+#else
+  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
+#endif
+
+
+/* Test for GCC > 2.95 */
+#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
+  #define likely(x)   __builtin_expect(!!(x), 1)
+  #define unlikely(x) __builtin_expect(!!(x), 0)
+#else /* !__GNUC__ or GCC < 2.95 */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+/* PretendToInitialize */
+#ifdef __cplusplus
+#if __cplusplus > 201103L
+#include <type_traits>
+#endif
+template <typename T>
+static void __Pyx_pretend_to_initialize(T* ptr) {
+#if __cplusplus > 201103L
+    if ((std::is_trivially_default_constructible<T>::value))
+#endif
+        *ptr = T();
+    (void)ptr;
+}
+#else
+static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
+#endif
+
+
+#if !CYTHON_USE_MODULE_STATE
+static PyObject *__pyx_m = NULL;
+#endif
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * const __pyx_cfilenm = __FILE__;
+static const char *__pyx_filename;
+
+/* #### Code section: filename_table ### */
+
+static const char* const __pyx_f[] = {
+  "planarity/full/graph.pyx",
+  "<stringsource>",
+};
+/* #### Code section: utility_code_proto_before_types ### */
+/* Atomics.proto (used by UnpackUnboundCMethod) */
+#include <pythread.h>
+#ifndef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 1
+#endif
+#define __PYX_CYTHON_ATOMICS_ENABLED() CYTHON_ATOMICS
+#define __PYX_GET_CYTHON_COMPILING_IN_CPYTHON_FREETHREADING() CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __pyx_atomic_int_type int
+#define __pyx_nonatomic_int_type int
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__))
+    #include <stdatomic.h>
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)))
+    #include <atomic>
+#endif
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__) &&\
+                       ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type atomic_int
+    #define __pyx_atomic_ptr_type atomic_uintptr_t
+    #define __pyx_nonatomic_ptr_type uintptr_t
+    #define __pyx_atomic_incr_relaxed(value) atomic_fetch_add_explicit(value, 1, memory_order_relaxed)
+    #define __pyx_atomic_incr_acq_rel(value) atomic_fetch_add_explicit(value, 1, memory_order_acq_rel)
+    #define __pyx_atomic_decr_acq_rel(value) atomic_fetch_sub_explicit(value, 1, memory_order_acq_rel)
+    #define __pyx_atomic_sub(value, arg) atomic_fetch_sub(value, arg)
+    #define __pyx_atomic_int_cmp_exchange(value, expected, desired) atomic_compare_exchange_strong(value, expected, desired)
+    #define __pyx_atomic_load(value) atomic_load(value)
+    #define __pyx_atomic_store(value, new_value) atomic_store(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) atomic_load_explicit(value, memory_order_relaxed)
+    #define __pyx_atomic_pointer_load_acquire(value) atomic_load_explicit(value, memory_order_acquire)
+    #define __pyx_atomic_pointer_exchange(value, new_value) atomic_exchange(value, (__pyx_nonatomic_ptr_type)new_value)
+    #define __pyx_atomic_pointer_cmp_exchange(value, expected, desired) atomic_compare_exchange_strong(value, expected, desired)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C atomics"
+    #endif
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)) &&\
+                    ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type std::atomic_int
+    #define __pyx_atomic_ptr_type std::atomic_uintptr_t
+    #define __pyx_nonatomic_ptr_type uintptr_t
+    #define __pyx_atomic_incr_relaxed(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_relaxed)
+    #define __pyx_atomic_incr_acq_rel(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_acq_rel)
+    #define __pyx_atomic_decr_acq_rel(value) std::atomic_fetch_sub_explicit(value, 1, std::memory_order_acq_rel)
+    #define __pyx_atomic_sub(value, arg) std::atomic_fetch_sub(value, arg)
+    #define __pyx_atomic_int_cmp_exchange(value, expected, desired) std::atomic_compare_exchange_strong(value, expected, desired)
+    #define __pyx_atomic_load(value) std::atomic_load(value)
+    #define __pyx_atomic_store(value, new_value) std::atomic_store(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) std::atomic_load_explicit(value, std::memory_order_relaxed)
+    #define __pyx_atomic_pointer_load_acquire(value) std::atomic_load_explicit(value, std::memory_order_acquire)
+    #define __pyx_atomic_pointer_exchange(value, new_value) std::atomic_exchange(value, (__pyx_nonatomic_ptr_type)new_value)
+    #define __pyx_atomic_pointer_cmp_exchange(value, expected, desired) std::atomic_compare_exchange_strong(value, expected, desired)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C++ atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C++ atomics"
+    #endif
+#elif CYTHON_ATOMICS && (__GNUC__ >= 5 || (__GNUC__ == 4 &&\
+                    (__GNUC_MINOR__ > 1 ||\
+                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ >= 2))))
+    #define __pyx_atomic_ptr_type void*
+    #define __pyx_nonatomic_ptr_type void*
+    #define __pyx_atomic_incr_relaxed(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_incr_acq_rel(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_decr_acq_rel(value) __sync_fetch_and_sub(value, 1)
+    #define __pyx_atomic_sub(value, arg) __sync_fetch_and_sub(value, arg)
+    static CYTHON_INLINE int __pyx_atomic_int_cmp_exchange(__pyx_atomic_int_type* value, __pyx_nonatomic_int_type* expected, __pyx_nonatomic_int_type desired) {
+        __pyx_nonatomic_int_type old = __sync_val_compare_and_swap(value, *expected, desired);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #define __pyx_atomic_load(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_store(value, new_value) __sync_lock_test_and_set(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_pointer_load_acquire(value) __sync_fetch_and_add(value, 0)
+    #define __pyx_atomic_pointer_exchange(value, new_value) __sync_lock_test_and_set(value, (__pyx_atomic_ptr_type)new_value)
+    static CYTHON_INLINE int __pyx_atomic_pointer_cmp_exchange(__pyx_atomic_ptr_type* value, __pyx_nonatomic_ptr_type* expected, __pyx_nonatomic_ptr_type desired) {
+        __pyx_nonatomic_ptr_type old = __sync_val_compare_and_swap(value, *expected, desired);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Using GNU atomics"
+    #endif
+#elif CYTHON_ATOMICS && defined(_MSC_VER)
+    #include <intrin.h>
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type long
+    #define __pyx_atomic_ptr_type void*
+    #undef __pyx_nonatomic_int_type
+    #define __pyx_nonatomic_int_type long
+    #define __pyx_nonatomic_ptr_type void*
+    #pragma intrinsic (_InterlockedExchangeAdd, _InterlockedExchange, _InterlockedCompareExchange, _InterlockedCompareExchangePointer, _InterlockedExchangePointer)
+    #define __pyx_atomic_incr_relaxed(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_incr_acq_rel(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_decr_acq_rel(value) _InterlockedExchangeAdd(value, -1)
+    #define __pyx_atomic_sub(value, arg) _InterlockedExchangeAdd(value, -arg)
+    static CYTHON_INLINE int __pyx_atomic_int_cmp_exchange(__pyx_atomic_int_type* value, __pyx_nonatomic_int_type* expected, __pyx_nonatomic_int_type desired) {
+        __pyx_nonatomic_int_type old = _InterlockedCompareExchange(value, desired, *expected);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #define __pyx_atomic_load(value) _InterlockedExchangeAdd(value, 0)
+    #define __pyx_atomic_store(value, new_value) _InterlockedExchange(value, new_value)
+    #define __pyx_atomic_pointer_load_relaxed(value) *(void * volatile *)value
+    #define __pyx_atomic_pointer_load_acquire(value) _InterlockedCompareExchangePointer(value, 0, 0)
+    #define __pyx_atomic_pointer_exchange(value, new_value) _InterlockedExchangePointer(value, (__pyx_atomic_ptr_type)new_value)
+    static CYTHON_INLINE int __pyx_atomic_pointer_cmp_exchange(__pyx_atomic_ptr_type* value, __pyx_nonatomic_ptr_type* expected, __pyx_nonatomic_ptr_type desired) {
+        __pyx_atomic_ptr_type old = _InterlockedCompareExchangePointer(value, desired, *expected);
+        int result = old == *expected;
+        *expected = old;
+        return result;
+    }
+    #ifdef __PYX_DEBUG_ATOMICS
+        #pragma message ("Using MSVC atomics")
+    #endif
+#else
+    #undef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 0
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Not using atomics"
+    #endif
+#endif
+
+/* CriticalSectionsDefinition.proto (used by CriticalSections) */
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyCriticalSection void*
+#define __Pyx_PyCriticalSection2 void*
+#define __Pyx_PyCriticalSection_End(cs)
+#define __Pyx_PyCriticalSection2_End(cs)
+#else
+#define __Pyx_PyCriticalSection PyCriticalSection
+#define __Pyx_PyCriticalSection2 PyCriticalSection2
+#define __Pyx_PyCriticalSection_End PyCriticalSection_End
+#define __Pyx_PyCriticalSection2_End PyCriticalSection2_End
+#endif
+
+/* CriticalSections.proto (used by ParseKeywordsImpl) */
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyCriticalSection_Begin(cs, arg) (void)(cs)
+#define __Pyx_PyCriticalSection2_Begin(cs, arg1, arg2) (void)(cs)
+#else
+#define __Pyx_PyCriticalSection_Begin PyCriticalSection_Begin
+#define __Pyx_PyCriticalSection2_Begin PyCriticalSection2_Begin
+#endif
+#if PY_VERSION_HEX < 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_BEGIN_CRITICAL_SECTION(o) {
+#define __Pyx_END_CRITICAL_SECTION() }
+#else
+#define __Pyx_BEGIN_CRITICAL_SECTION Py_BEGIN_CRITICAL_SECTION
+#define __Pyx_END_CRITICAL_SECTION Py_END_CRITICAL_SECTION
+#endif
+
+/* IncludeStructmemberH.proto (used by FixUpExtensionType) */
+#include <structmember.h>
+
+/* #### Code section: numeric_typedefs ### */
+/* #### Code section: complex_type_declarations ### */
+/* #### Code section: type_declarations ### */
+
+/*--- Type declarations ---*/
+struct __pyx_obj_9planarity_4full_5graph_Graph;
+
+/* "planarity/full/graph.pxd":12
+ * from planarity.full cimport cgraphLib
+ * 
+ * cdef class Graph:             # <<<<<<<<<<<<<<
+ *     cdef cgraphLib.graphP _theGraph
+ *     cdef bint owns_graphP
+*/
+struct __pyx_obj_9planarity_4full_5graph_Graph {
+  PyObject_HEAD
+  graphP _theGraph;
+  int owns_graphP;
+};
+
+/* #### Code section: utility_code_proto ### */
+
+/* --- Runtime support code (head) --- */
+/* Refnanny.proto */
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, Py_ssize_t);
+    void (*DECREF)(void*, PyObject*, Py_ssize_t);
+    void (*GOTREF)(void*, PyObject*, Py_ssize_t);
+    void (*GIVEREF)(void*, PyObject*, Py_ssize_t);
+    void* (*SetupContext)(const char*, Py_ssize_t, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname);
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
+          if (acquire_gil) {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
+              PyGILState_Release(__pyx_gilstate_save);\
+          } else {\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
+          }
+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
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+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
+          }
+  #define __Pyx_RefNannyFinishContext()\
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_XINCREF(r)  do { if((r) == NULL); else {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) == NULL); else {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) == NULL); else {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) == NULL); else {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContextNogil()
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif
+#define __Pyx_Py_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; Py_XDECREF(tmp);\
+    } while (0)
+#define __Pyx_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; __Pyx_XDECREF(tmp);\
+    } while (0)
+#define __Pyx_DECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; __Pyx_DECREF(tmp);\
+    } while (0)
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+/* TupleAndListFromArray.proto (used by fastcall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n);
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject* __Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n);
+#endif
+
+/* IncludeStringH.proto (used by BytesEquals) */
+#include <string.h>
+
+/* BytesEquals.proto (used by UnicodeEquals) */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* UnicodeEquals.proto (used by fastcall) */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* fastcall.proto */
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_PySequence_ITEM(args, i)
+#elif CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_NewRef(__Pyx_PyTuple_GET_ITEM(args, i))
+#else
+    #define __Pyx_ArgRef_VARARGS(args, i) __Pyx_XNewRef(PyTuple_GetItem(args, i))
+#endif
+#define __Pyx_NumKwargs_VARARGS(kwds) PyDict_Size(kwds)
+#define __Pyx_KwValues_VARARGS(args, nargs) NULL
+#define __Pyx_GetKwValue_VARARGS(kw, kwvalues, s) __Pyx_PyDict_GetItemStrWithError(kw, s)
+#define __Pyx_KwargsAsDict_VARARGS(kw, kwvalues) PyDict_Copy(kw)
+#if CYTHON_METH_FASTCALL
+    #define __Pyx_ArgRef_FASTCALL(args, i) __Pyx_NewRef(args[i])
+    #define __Pyx_NumKwargs_FASTCALL(kwds) __Pyx_PyTuple_GET_SIZE(kwds)
+    #define __Pyx_KwValues_FASTCALL(args, nargs) ((args) + (nargs))
+    static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s);
+  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+    CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues);
+  #else
+    #define __Pyx_KwargsAsDict_FASTCALL(kw, kwvalues) _PyStack_AsDict(kwvalues, kw)
+  #endif
+#else
+    #define __Pyx_ArgRef_FASTCALL __Pyx_ArgRef_VARARGS
+    #define __Pyx_NumKwargs_FASTCALL __Pyx_NumKwargs_VARARGS
+    #define __Pyx_KwValues_FASTCALL __Pyx_KwValues_VARARGS
+    #define __Pyx_GetKwValue_FASTCALL __Pyx_GetKwValue_VARARGS
+    #define __Pyx_KwargsAsDict_FASTCALL __Pyx_KwargsAsDict_VARARGS
+#endif
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#if CYTHON_METH_FASTCALL || (CYTHON_COMPILING_IN_CPYTHON && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) __Pyx_PyTuple_FromArray(args + start, stop - start)
+#else
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#endif
+
+/* RaiseArgTupleInvalid.proto */
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+
+/* py_dict_items.proto (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d);
+
+/* CallCFunction.proto (used by CallUnboundCMethod0) */
+#define __Pyx_CallCFunction(cfunc, self, args)\
+    ((PyCFunction)(void(*)(void))(cfunc)->func)(self, args)
+#define __Pyx_CallCFunctionWithKeywords(cfunc, self, args, kwargs)\
+    ((PyCFunctionWithKeywords)(void(*)(void))(cfunc)->func)(self, args, kwargs)
+#define __Pyx_CallCFunctionFast(cfunc, self, args, nargs)\
+    ((__Pyx_PyCFunctionFast)(void(*)(void))(PyCFunction)(cfunc)->func)(self, args, nargs)
+#define __Pyx_CallCFunctionFastWithKeywords(cfunc, self, args, nargs, kwnames)\
+    ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))(PyCFunction)(cfunc)->func)(self, args, nargs, kwnames)
+
+/* PyObjectCall.proto (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
+
+/* PyObjectCallMethO.proto (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
+
+/* PyObjectFastCall.proto (used by PyObjectCallOneArg) */
+#define __Pyx_PyObject_FastCall(func, args, nargs)  __Pyx_PyObject_FastCallDict(func, args, (size_t)(nargs), NULL)
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject * const*args, size_t nargs, PyObject *kwargs);
+
+/* PyObjectCallOneArg.proto (used by CallUnboundCMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+
+/* PyObjectGetAttrStr.proto (used by UnpackUnboundCMethod) */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
+#else
+#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
+#endif
+
+/* UnpackUnboundCMethod.proto (used by CallUnboundCMethod0) */
+typedef struct {
+    PyObject *type;
+    PyObject **method_name;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && CYTHON_ATOMICS
+    __pyx_atomic_int_type initialized;
+#endif
+    PyCFunction func;
+    PyObject *method;
+    int flag;
+} __Pyx_CachedCFunction;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+static CYTHON_INLINE int __Pyx_CachedCFunction_GetAndSetInitializing(__Pyx_CachedCFunction *cfunc) {
+#if !CYTHON_ATOMICS
+    return 1;
+#else
+    __pyx_nonatomic_int_type expected = 0;
+    if (__pyx_atomic_int_cmp_exchange(&cfunc->initialized, &expected, 1)) {
+        return 0;
+    }
+    return expected;
+#endif
+}
+static CYTHON_INLINE void __Pyx_CachedCFunction_SetFinishedInitializing(__Pyx_CachedCFunction *cfunc) {
+#if CYTHON_ATOMICS
+    __pyx_atomic_store(&cfunc->initialized, 2);
+#endif
+}
+#else
+#define __Pyx_CachedCFunction_GetAndSetInitializing(cfunc) 2
+#define __Pyx_CachedCFunction_SetFinishedInitializing(cfunc)
+#endif
+
+/* CallUnboundCMethod0.proto */
+CYTHON_UNUSED
+static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
+#else
+#define __Pyx_CallUnboundCMethod0(cfunc, self)  __Pyx__CallUnboundCMethod0(cfunc, self)
+#endif
+
+/* py_dict_values.proto (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Values(PyObject* d);
+
+/* OwnedDictNext.proto (used by RejectKeywords) */
+#if CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, PyObject **ppos, PyObject **pkey, PyObject **pvalue);
+#else
+CYTHON_INLINE
+static int __Pyx_PyDict_NextRef(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue);
+#endif
+
+/* RejectKeywords.export */
+static void __Pyx_RejectKeywords(const char* function_name, PyObject *kwds);
+
+/* PyMemoryError_Check.proto */
+#define __Pyx_PyExc_MemoryError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_MemoryError)
+
+/* PyThreadStateGet.proto (used by PyErrFetchRestore) */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
+#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
+#if PY_VERSION_HEX >= 0x030C00A6
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->current_exception != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->current_exception ? (PyObject*) Py_TYPE(__pyx_tstate->current_exception) : (PyObject*) NULL)
+#else
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->curexc_type != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->curexc_type)
+#endif
+#else
+#define __Pyx_PyThreadState_declare
+#define __Pyx_PyThreadState_assign
+#define __Pyx_PyErr_Occurred()  (PyErr_Occurred() != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  PyErr_Occurred()
+#endif
+
+/* PyErrFetchRestore.proto (used by RaiseException) */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A6
+#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
+#else
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#endif
+#else
+#define __Pyx_PyErr_Clear() PyErr_Clear()
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+#endif
+
+/* RaiseException.export */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+
+/* RaiseDoubleKeywords.proto (used by ParseKeywordsImpl) */
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+
+/* ParseKeywordsImpl.export */
+static int __Pyx_ParseKeywordsTuple(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+static int __Pyx_ParseKeywordDictToDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name
+);
+static int __Pyx_ParseKeywordDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+
+/* CallUnboundCMethod2.proto */
+CYTHON_UNUSED
+static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2);
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2);
+#else
+#define __Pyx_CallUnboundCMethod2(cfunc, self, arg1, arg2)  __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2)
+#endif
+
+/* ParseKeywords.proto */
+static CYTHON_INLINE int __Pyx_ParseKeywords(
+    PyObject *kwds, PyObject *const *kwvalues, PyObject ** const argnames[],
+    PyObject *kwds2, PyObject *values[],
+    Py_ssize_t num_pos_args, Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs
+);
+
+/* PyObjectFastCallMethod.proto */
+#if CYTHON_VECTORCALL && PY_VERSION_HEX >= 0x03090000
+#define __Pyx_PyObject_FastCallMethod(name, args, nargsf) PyObject_VectorcallMethod(name, args, nargsf, NULL)
+#else
+static PyObject *__Pyx_PyObject_FastCallMethod(PyObject *name, PyObject *const *args, size_t nargsf);
+#endif
+
+/* PyRuntimeError_Check.proto */
+#define __Pyx_PyExc_RuntimeError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_RuntimeError)
+
+/* BuildPyUnicode.proto (used by COrdinalToPyUnicode) */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, const char* chars, int clength,
+                                                int prepend_sign, char padding_char);
+
+/* COrdinalToPyUnicode.proto (used by CIntToPyUnicode) */
+static CYTHON_INLINE int __Pyx_CheckUnicodeValue(int value);
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromOrdinal_Padded(int value, Py_ssize_t width, char padding_char);
+
+/* GCCDiagnostics.proto (used by CIntToPyUnicode) */
+#if !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#define __Pyx_HAS_GCC_DIAGNOSTIC
+#endif
+
+/* IncludeStdlibH.proto (used by CIntToPyUnicode) */
+#include <stdlib.h>
+
+/* CIntToPyUnicode.proto */
+#define __Pyx_PyUnicode_From_int(value, width, padding_char, format_char) (\
+    ((format_char) == ('c')) ?\
+        __Pyx_uchar___Pyx_PyUnicode_From_int(value, width, padding_char) :\
+        __Pyx____Pyx_PyUnicode_From_int(value, width, padding_char, format_char)\
+    )
+static CYTHON_INLINE PyObject* __Pyx_uchar___Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char);
+static CYTHON_INLINE PyObject* __Pyx____Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char);
+
+/* JoinPyUnicode.export */
+static PyObject* __Pyx_PyUnicode_Join(PyObject** values, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char);
+
+/* pyint_simplify.proto */
+static CYTHON_INLINE int __Pyx_PyInt_FromNumber(PyObject **number_var, const char *argname, int accept_none);
+
+/* ArgTypeTestFunc.export */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
+
+/* ArgTypeTest.proto */
+#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
+    ((likely(__Pyx_IS_TYPE(obj, type) | (none_allowed && (obj == Py_None)))) ? 1 :\
+        __Pyx__ArgTypeTest(obj, type, name, exact))
+
+/* PyLongCompare.proto */
+static CYTHON_INLINE int __Pyx_PyLong_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace);
+
+/* PyValueError_Check.proto */
+#define __Pyx_PyExc_ValueError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_ValueError)
+
+/* PyUnicode_Unicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Unicode(PyObject *obj);
+
+/* PyTypeError_Check.proto */
+#define __Pyx_PyExc_TypeError_Check(obj)  __Pyx_TypeCheck(obj, PyExc_TypeError)
+
+/* AllocateExtensionType.proto */
+static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final);
+
+/* LimitedApiGetTypeDict.proto (used by SetItemOnTypeDict) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_GetTypeDict(PyTypeObject *tp);
+#endif
+
+/* SetItemOnTypeDict.proto (used by FixUpExtensionType) */
+static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v);
+#define __Pyx_SetItemOnTypeDict(tp, k, v) __Pyx__SetItemOnTypeDict((PyTypeObject*)tp, k, v)
+
+/* FixUpExtensionType.proto */
+static CYTHON_INLINE int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type);
+
+/* PyObjectCallNoArg.proto (used by PyObjectCallMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+
+/* PyObjectGetMethod.proto (used by PyObjectCallMethod0) */
+#if !(CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000)))
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
+#endif
+
+/* PyObjectCallMethod0.proto (used by PyType_Ready) */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);
+
+/* ValidateBasesTuple.proto (used by PyType_Ready) */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases);
+#endif
+
+/* PyType_Ready.proto */
+CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);
+
+/* DelItemOnTypeDict.proto (used by SetupReduce) */
+static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k);
+#define __Pyx_DelItemOnTypeDict(tp, k) __Pyx__DelItemOnTypeDict((PyTypeObject*)tp, k)
+
+/* PyErrExceptionMatches.proto (used by PyObjectGetAttrStrNoError) */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
+#else
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
+#endif
+
+/* PyObjectGetAttrStrNoError.proto (used by SetupReduce) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+
+/* SetupReduce.proto */
+static int __Pyx_setup_reduce(PyObject* type_obj);
+
+/* dict_setdefault.proto (used by FetchCommonType) */
+static CYTHON_INLINE PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value);
+
+/* AddModuleRef.proto (used by FetchSharedCythonModule) */
+#if ((CYTHON_COMPILING_IN_CPYTHON_FREETHREADING ) ||\
+     __PYX_LIMITED_VERSION_HEX < 0x030d0000)
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name);
+#else
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#endif
+
+/* FetchSharedCythonModule.proto (used by FetchCommonType) */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void);
+
+/* FetchCommonType.proto (used by CommonTypesMetaclass) */
+static PyTypeObject* __Pyx_FetchCommonTypeFromSpec(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases);
+
+/* CommonTypesMetaclass.proto (used by CythonFunctionShared) */
+static int __pyx_CommonTypesMetaclass_init(PyObject *module);
+#define __Pyx_CommonTypesMetaclass_USED
+
+/* CallTypeTraverse.proto (used by CythonFunctionShared) */
+#if !CYTHON_USE_TYPE_SPECS || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x03090000)
+#define __Pyx_call_type_traverse(o, always_call, visit, arg) 0
+#else
+static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg);
+#endif
+
+/* PyMethodNew.proto (used by CythonFunctionShared) */
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ);
+
+/* PyVectorcallFastCallDict.proto (used by CythonFunctionShared) */
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
+#endif
+
+/* CythonFunctionShared.proto (used by CythonFunction) */
+#define __Pyx_CyFunction_USED
+#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
+#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
+#define __Pyx_CYFUNCTION_CCLASS        0x04
+#define __Pyx_CYFUNCTION_COROUTINE     0x08
+#define __Pyx_CyFunction_GetClosure(f)\
+    (((__pyx_CyFunctionObject *) (f))->func_closure)
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      (((__pyx_CyFunctionObject *) (f))->func_classobj)
+#else
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      ((PyObject*) ((PyCMethodObject *) (f))->mm_class)
+#endif
+#define __Pyx_CyFunction_SetClassObj(f, classobj)\
+    __Pyx__CyFunction_SetClassObj((__pyx_CyFunctionObject *) (f), (classobj))
+#define __Pyx_CyFunction_Defaults(type, f)\
+    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
+#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
+    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
+typedef struct {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject_HEAD
+    PyObject *func;
+#elif PY_VERSION_HEX < 0x030900B1
+    PyCFunctionObject func;
+#else
+    PyCMethodObject func;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API && CYTHON_METH_FASTCALL
+    __pyx_vectorcallfunc func_vectorcall;
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_weakreflist;
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_dict;
+#endif
+    PyObject *func_name;
+    PyObject *func_qualname;
+    PyObject *func_doc;
+    PyObject *func_globals;
+    PyObject *func_code;
+    PyObject *func_closure;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_classobj;
+#endif
+    PyObject *defaults;
+    int flags;
+    PyObject *defaults_tuple;
+    PyObject *defaults_kwdict;
+    PyObject *(*defaults_getter)(PyObject *);
+    PyObject *func_annotations;
+    PyObject *func_is_coroutine;
+} __pyx_CyFunctionObject;
+#undef __Pyx_CyOrPyCFunction_Check
+#define __Pyx_CyFunction_Check(obj)  __Pyx_TypeCheck(obj, __pyx_mstate_global->__pyx_CyFunctionType)
+#define __Pyx_CyOrPyCFunction_Check(obj)  __Pyx_TypeCheck2(obj, __pyx_mstate_global->__pyx_CyFunctionType, &PyCFunction_Type)
+#define __Pyx_CyFunction_CheckExact(obj)  __Pyx_IS_TYPE(obj, __pyx_mstate_global->__pyx_CyFunctionType)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void));
+#undef __Pyx_IsSameCFunction
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCyOrCFunction(func, cfunc)
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj);
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_InitDefaults(PyObject *func,
+                                                         PyTypeObject *defaults_type);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
+                                                            PyObject *tuple);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
+                                                             PyObject *dict);
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
+                                                              PyObject *dict);
+static int __pyx_CyFunction_init(PyObject *module);
+#if CYTHON_METH_FASTCALL
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_func_vectorcall(f) (((__pyx_CyFunctionObject*)f)->func_vectorcall)
+#else
+#define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
+#endif
+#endif
+
+/* CythonFunction.proto */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+
+/* PyDictVersioning.proto (used by CLineInTraceback) */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
+#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
+    (version_var) = __PYX_GET_DICT_VERSION(dict);\
+    (cache_var) = (value);
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
+        (VAR) = __Pyx_XNewRef(__pyx_dict_cached_value);\
+    } else {\
+        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
+        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
+    }\
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
+#else
+#define __PYX_GET_DICT_VERSION(dict)  (0)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
+#endif
+
+/* CLineInTraceback.proto (used by AddTraceback) */
+#if CYTHON_CLINE_IN_TRACEBACK && CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
+#else
+#define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
+#endif
+
+/* CodeObjectCache.proto (used by AddTraceback) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject __Pyx_CachedCodeObjectType;
+#else
+typedef PyCodeObject __Pyx_CachedCodeObjectType;
+#endif
+typedef struct {
+    __Pyx_CachedCodeObjectType* code_object;
+    int code_line;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+  #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_int_type accessor_count;
+  #endif
+};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static __Pyx_CachedCodeObjectType *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, __Pyx_CachedCodeObjectType* code_object);
+
+/* AddTraceback.proto */
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename);
+
+/* PyObjectVectorCallKwBuilder.proto (used by CIntToPy) */
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+#if CYTHON_VECTORCALL
+#if PY_VERSION_HEX >= 0x03090000
+#define __Pyx_Object_Vectorcall_CallFromBuilder PyObject_Vectorcall
+#else
+#define __Pyx_Object_Vectorcall_CallFromBuilder _PyObject_Vectorcall
+#endif
+#define __Pyx_MakeVectorcallBuilderKwds(n) PyTuple_New(n)
+static int __Pyx_VectorcallBuilder_AddArg(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+static int __Pyx_VectorcallBuilder_AddArgStr(const char *key, PyObject *value, PyObject *builder, PyObject **args, int n);
+#else
+#define __Pyx_Object_Vectorcall_CallFromBuilder __Pyx_PyObject_FastCallDict
+#define __Pyx_MakeVectorcallBuilderKwds(n) __Pyx_PyDict_NewPresized(n)
+#define __Pyx_VectorcallBuilder_AddArg(key, value, builder, args, n) PyDict_SetItem(builder, key, value)
+#define __Pyx_VectorcallBuilder_AddArgStr(key, value, builder, args, n) PyDict_SetItemString(builder, key, value)
+#endif
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_int(int value);
+
+/* CIntFromPy.proto */
+static CYTHON_INLINE int __Pyx_PyLong_As_int(PyObject *);
+
+/* FormatTypeName.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%U"
+#define __Pyx_DECREF_TypeName(obj) Py_XDECREF(obj)
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+#define __Pyx_PyType_GetFullyQualifiedName PyType_GetFullyQualifiedName
+#else
+static __Pyx_TypeName __Pyx_PyType_GetFullyQualifiedName(PyTypeObject* tp);
+#endif
+#else  // !LIMITED_API
+typedef const char *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%.200s"
+#define __Pyx_PyType_GetFullyQualifiedName(tp) ((tp)->tp_name)
+#define __Pyx_DECREF_TypeName(obj)
+#endif
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_long(long value);
+
+/* CIntFromPy.proto */
+static CYTHON_INLINE long __Pyx_PyLong_As_long(PyObject *);
+
+/* FastTypeChecks.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) __Pyx_IsAnySubtype2(Py_TYPE(obj), (PyTypeObject *)type1, (PyTypeObject *)type2)
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
+#else
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) (PyObject_TypeCheck(obj, (PyTypeObject *)type1) || PyObject_TypeCheck(obj, (PyTypeObject *)type2))
+#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2) {
+    return PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2);
+}
+#endif
+#define __Pyx_PyErr_ExceptionMatches2(err1, err2)  __Pyx_PyErr_GivenExceptionMatches2(__Pyx_PyErr_CurrentExceptionType(), err1, err2)
+#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
+#ifdef PyExceptionInstance_Check
+  #define __Pyx_PyBaseException_Check(obj) PyExceptionInstance_Check(obj)
+#else
+  #define __Pyx_PyBaseException_Check(obj) __Pyx_TypeCheck(obj, PyExc_BaseException)
+#endif
+
+/* GetRuntimeVersion.proto */
+#if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+static unsigned long __Pyx_cached_runtime_version = 0;
+static void __Pyx_init_runtime_version(void);
+#else
+#define __Pyx_init_runtime_version()
+#endif
+static unsigned long __Pyx_get_runtime_version(void);
+
+/* CheckBinaryVersion.proto */
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer);
+
+/* DecompressString.proto */
+static PyObject *__Pyx_DecompressString(const char *s, Py_ssize_t length, int algo);
+
+/* MultiPhaseInitModuleState.proto */
+#if CYTHON_PEP489_MULTI_PHASE_INIT && CYTHON_USE_MODULE_STATE
+static PyObject *__Pyx_State_FindModule(void*);
+static int __Pyx_State_AddModule(PyObject* module, void*);
+static int __Pyx_State_RemoveModule(void*);
+#elif CYTHON_USE_MODULE_STATE
+#define __Pyx_State_FindModule PyState_FindModule
+#define __Pyx_State_AddModule PyState_AddModule
+#define __Pyx_State_RemoveModule PyState_RemoveModule
+#endif
+
+/* #### Code section: module_declarations ### */
+/* CythonABIVersion.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+    #if CYTHON_METH_FASTCALL
+        #define __PYX_FASTCALL_ABI_SUFFIX  "_fastcall"
+    #else
+        #define __PYX_FASTCALL_ABI_SUFFIX
+    #endif
+    #define __PYX_LIMITED_ABI_SUFFIX "limited" __PYX_FASTCALL_ABI_SUFFIX __PYX_AM_SEND_ABI_SUFFIX
+#else
+    #define __PYX_LIMITED_ABI_SUFFIX
+#endif
+#if __PYX_HAS_PY_AM_SEND == 1
+    #define __PYX_AM_SEND_ABI_SUFFIX
+#elif __PYX_HAS_PY_AM_SEND == 2
+    #define __PYX_AM_SEND_ABI_SUFFIX "amsendbackport"
+#else
+    #define __PYX_AM_SEND_ABI_SUFFIX "noamsend"
+#endif
+#ifndef __PYX_MONITORING_ABI_SUFFIX
+    #define __PYX_MONITORING_ABI_SUFFIX
+#endif
+#if CYTHON_USE_TP_FINALIZE
+    #define __PYX_TP_FINALIZE_ABI_SUFFIX
+#else
+    #define __PYX_TP_FINALIZE_ABI_SUFFIX "nofinalize"
+#endif
+#if CYTHON_USE_FREELISTS || !defined(__Pyx_AsyncGen_USED)
+    #define __PYX_FREELISTS_ABI_SUFFIX
+#else
+    #define __PYX_FREELISTS_ABI_SUFFIX "nofreelists"
+#endif
+#define CYTHON_ABI  __PYX_ABI_VERSION __PYX_LIMITED_ABI_SUFFIX __PYX_MONITORING_ABI_SUFFIX __PYX_TP_FINALIZE_ABI_SUFFIX __PYX_FREELISTS_ABI_SUFFIX __PYX_AM_SEND_ABI_SUFFIX
+#define __PYX_ABI_MODULE_NAME "_cython_" CYTHON_ABI
+#define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
+
+
+/* Module declarations from "planarity.full" */
+
+/* Module declarations from "planarity.full.cgraphLib" */
+
+/* Module declarations from "planarity.full.cappconst" */
+
+/* Module declarations from "planarity.full.graph" */
+/* #### Code section: typeinfo ### */
+/* #### Code section: before_global_var ### */
+#define __Pyx_MODULE_NAME "planarity.full.graph"
+extern int __pyx_module_is_main_planarity__full__graph;
+int __pyx_module_is_main_planarity__full__graph = 0;
+
+/* Implementation of "planarity.full.graph" */
+/* #### Code section: global_var ### */
+/* #### Code section: string_decls ### */
+static const char __pyx_k_Cython_wrapper_for_the_Edge_Add[] = "\nCython wrapper for the Edge Addition Planarity Suite Graph Library\n\nWraps a graphP struct using a Cython class and wraps functions and macros that\noperate over graphP structs.\n";
+/* #### Code section: decls ### */
+static int __pyx_pf_9planarity_4full_5graph_5Graph___cinit__(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static void __pyx_pf_9planarity_4full_5graph_5Graph_2__dealloc__(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_4is_graph_NULL(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_pf_9planarity_4full_5graph_5Graph_6get_wrapper_for_graphP(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_8gp_IsArc(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_e); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_10gp_GetFirstEdge(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_12gp_EdgeInUse(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_e); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_14gp_EdgeIndexBound(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_16gp_EdgeInUseIndexBound(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_18gp_GetFirstArc(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_v); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_20gp_GetNextArc(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_e); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_22gp_GetNeighbor(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_e); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_24gp_IsVertex(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_v); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_26gp_GetFirstVertex(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_28gp_GetLastVertex(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_30gp_VertexInRange(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_v); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_32gp_getN(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_34gp_InitGraph(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_n); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_36gp_ReinitializeGraph(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_38gp_CopyGraph(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_src_graph); /* proto */
+static struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_pf_9planarity_4full_5graph_5Graph_40gp_DupGraph(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_42gp_Read(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_infile_name); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_44gp_Write(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_outfile_name, PyObject *__pyx_v_mode); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_46gp_GetNeighborEdgeRecord(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_u, int __pyx_v_v); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_48gp_GetVertexDegree(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_v); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_50gp_GetArcCapacity(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_52gp_EnsureArcCapacity(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_new_arc_capacity); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_54gp_AddEdge(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_u, int __pyx_v_ulink, int __pyx_v_v, int __pyx_v_vlink); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_56gp_DeleteEdge(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_e, int __pyx_v_nextLink); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_58gp_AttachDrawPlanar(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_60gp_AttachK23Search(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_62gp_AttachK33Search(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_64gp_AttachK4Search(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_66gp_Embed(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, int __pyx_v_embedFlags); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_68gp_TestEmbedResultIntegrity(struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_copy_of_orig_graph, int __pyx_v_embed_result); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_70__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_9planarity_4full_5graph_5Graph_72__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_9planarity_4full_5graph_Graph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_tp_new_9planarity_4full_5graph_Graph(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+/* #### Code section: late_includes ### */
+/* #### Code section: module_state ### */
+/* SmallCodeConfig */
+#ifndef CYTHON_SMALL_CODE
+#if defined(__clang__)
+    #define CYTHON_SMALL_CODE
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+    #define CYTHON_SMALL_CODE __attribute__((cold))
+#else
+    #define CYTHON_SMALL_CODE
+#endif
+#endif
+
+typedef struct {
+  PyObject *__pyx_d;
+  PyObject *__pyx_b;
+  PyObject *__pyx_cython_runtime;
+  PyObject *__pyx_empty_tuple;
+  PyObject *__pyx_empty_bytes;
+  PyObject *__pyx_empty_unicode;
+  PyObject *__pyx_type_9planarity_4full_5graph_Graph;
+  PyTypeObject *__pyx_ptype_9planarity_4full_5graph_Graph;
+  __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_items;
+  __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_pop;
+  __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_values;
+  PyObject *__pyx_codeobj_tab[35];
+  PyObject *__pyx_string_tab[205];
+  PyObject *__pyx_number_tab[1];
+/* #### Code section: module_state_contents ### */
+/* CommonTypesMetaclass.module_state_decls */
+PyTypeObject *__pyx_CommonTypesMetaclassType;
+
+/* CachedMethodType.module_state_decls */
+#if CYTHON_COMPILING_IN_LIMITED_API
+PyObject *__Pyx_CachedMethodType;
+#endif
+
+/* CythonFunctionShared.module_state_decls */
+PyTypeObject *__pyx_CyFunctionType;
+
+/* CodeObjectCache.module_state_decls */
+struct __Pyx_CodeObjectCache __pyx_code_cache;
+
+/* #### Code section: module_state_end ### */
+} __pyx_mstatetype;
+
+#if CYTHON_USE_MODULE_STATE
+#ifdef __cplusplus
+namespace {
+extern struct PyModuleDef __pyx_moduledef;
+} /* anonymous namespace */
+#else
+static struct PyModuleDef __pyx_moduledef;
+#endif
+
+#define __pyx_mstate_global (__Pyx_PyModule_GetState(__Pyx_State_FindModule(&__pyx_moduledef)))
+
+#define __pyx_m (__Pyx_State_FindModule(&__pyx_moduledef))
+#else
+static __pyx_mstatetype __pyx_mstate_global_static =
+#ifdef __cplusplus
+    {};
+#else
+    {0};
+#endif
+static __pyx_mstatetype * const __pyx_mstate_global = &__pyx_mstate_global_static;
+#endif
+/* #### Code section: constant_name_defines ### */
+#define __pyx_kp_u_ __pyx_string_tab[0]
+#define __pyx_kp_u_Failed_to_attach_DrawPlanar_algo __pyx_string_tab[1]
+#define __pyx_kp_u_Failed_to_attach_K23Search_algor __pyx_string_tab[2]
+#define __pyx_kp_u_Failed_to_attach_K33Search_algor __pyx_string_tab[3]
+#define __pyx_kp_u_Failed_to_attach_K4Search_algori __pyx_string_tab[4]
+#define __pyx_kp_u_Graph_is_not_initialized __pyx_string_tab[5]
+#define __pyx_kp_u_Invalid_graph_format_specifier __pyx_string_tab[6]
+#define __pyx_kp_u_Invalid_link_index_for_nextLink __pyx_string_tab[7]
+#define __pyx_kp_u_Invalid_link_index_for_ulink __pyx_string_tab[8]
+#define __pyx_kp_u_Invalid_link_index_for_vlink __pyx_string_tab[9]
+#define __pyx_kp_u_None __pyx_string_tab[10]
+#define __pyx_kp_u_Note_that_Cython_is_deliberately __pyx_string_tab[11]
+#define __pyx_kp_u_Source_and_destination_graphs_mu __pyx_string_tab[12]
+#define __pyx_kp_u_Source_graph_either_has_not_been __pyx_string_tab[13]
+#define __pyx_kp_u_Unable_to_add_edge_u_v __pyx_string_tab[14]
+#define __pyx_kp_u_Unable_to_create_new_Graph_conta __pyx_string_tab[15]
+#define __pyx_kp_u__2 __pyx_string_tab[16]
+#define __pyx_kp_u__3 __pyx_string_tab[17]
+#define __pyx_kp_u__4 __pyx_string_tab[18]
+#define __pyx_kp_u__5 __pyx_string_tab[19]
+#define __pyx_kp_u_add_note __pyx_string_tab[20]
+#define __pyx_kp_u_and_vlink __pyx_string_tab[21]
+#define __pyx_kp_u_disable __pyx_string_tab[22]
+#define __pyx_kp_u_enable __pyx_string_tab[23]
+#define __pyx_kp_u_failed __pyx_string_tab[24]
+#define __pyx_kp_u_gc __pyx_string_tab[25]
+#define __pyx_kp_u_gp_CopyGraph_failed __pyx_string_tab[26]
+#define __pyx_kp_u_gp_DeleteEdge_failed_invalid_arc __pyx_string_tab[27]
+#define __pyx_kp_u_gp_DupGraph_failed __pyx_string_tab[28]
+#define __pyx_kp_u_gp_EdgeInUse_failed_invalid_edge __pyx_string_tab[29]
+#define __pyx_kp_u_gp_EnsureArcCapacity_failed_to_s __pyx_string_tab[30]
+#define __pyx_kp_u_gp_GetFirstArc_failed_invalid_ve __pyx_string_tab[31]
+#define __pyx_kp_u_gp_GetNeighbor_failed_invalid_ed __pyx_string_tab[32]
+#define __pyx_kp_u_gp_GetNextArc_failed_invalid_edg __pyx_string_tab[33]
+#define __pyx_kp_u_gp_InitGraph_failed __pyx_string_tab[34]
+#define __pyx_kp_u_gp_New_failed __pyx_string_tab[35]
+#define __pyx_kp_u_gp_Read_failed __pyx_string_tab[36]
+#define __pyx_kp_u_gp_Write_of_graph_to __pyx_string_tab[37]
+#define __pyx_kp_u_is_not_a_valid_vertex_label __pyx_string_tab[38]
+#define __pyx_kp_u_is_not_one_of_gam __pyx_string_tab[39]
+#define __pyx_kp_u_isenabled __pyx_string_tab[40]
+#define __pyx_kp_u_no_default___reduce___due_to_non __pyx_string_tab[41]
+#define __pyx_kp_u_planarity_full_graph_pyx __pyx_string_tab[42]
+#define __pyx_kp_u_stringsource __pyx_string_tab[43]
+#define __pyx_kp_u_with_ulink __pyx_string_tab[44]
+#define __pyx_n_u_EMBEDFLAGS_DRAWPLANAR __pyx_string_tab[45]
+#define __pyx_n_u_EMBEDFLAGS_OUTERPLANAR __pyx_string_tab[46]
+#define __pyx_n_u_EMBEDFLAGS_PLANAR __pyx_string_tab[47]
+#define __pyx_n_u_EMBEDFLAGS_SEARCHFORK23 __pyx_string_tab[48]
+#define __pyx_n_u_EMBEDFLAGS_SEARCHFORK33 __pyx_string_tab[49]
+#define __pyx_n_u_EMBEDFLAGS_SEARCHFORK4 __pyx_string_tab[50]
+#define __pyx_n_u_FileName __pyx_string_tab[51]
+#define __pyx_n_u_Graph __pyx_string_tab[52]
+#define __pyx_n_u_Graph___reduce_cython __pyx_string_tab[53]
+#define __pyx_n_u_Graph___setstate_cython __pyx_string_tab[54]
+#define __pyx_n_u_Graph_get_wrapper_for_graphP __pyx_string_tab[55]
+#define __pyx_n_u_Graph_gp_AddEdge __pyx_string_tab[56]
+#define __pyx_n_u_Graph_gp_AttachDrawPlanar __pyx_string_tab[57]
+#define __pyx_n_u_Graph_gp_AttachK23Search __pyx_string_tab[58]
+#define __pyx_n_u_Graph_gp_AttachK33Search __pyx_string_tab[59]
+#define __pyx_n_u_Graph_gp_AttachK4Search __pyx_string_tab[60]
+#define __pyx_n_u_Graph_gp_CopyGraph __pyx_string_tab[61]
+#define __pyx_n_u_Graph_gp_DeleteEdge __pyx_string_tab[62]
+#define __pyx_n_u_Graph_gp_DupGraph __pyx_string_tab[63]
+#define __pyx_n_u_Graph_gp_EdgeInUse __pyx_string_tab[64]
+#define __pyx_n_u_Graph_gp_EdgeInUseIndexBound __pyx_string_tab[65]
+#define __pyx_n_u_Graph_gp_EdgeIndexBound __pyx_string_tab[66]
+#define __pyx_n_u_Graph_gp_Embed __pyx_string_tab[67]
+#define __pyx_n_u_Graph_gp_EnsureArcCapacity __pyx_string_tab[68]
+#define __pyx_n_u_Graph_gp_GetArcCapacity __pyx_string_tab[69]
+#define __pyx_n_u_Graph_gp_GetFirstArc __pyx_string_tab[70]
+#define __pyx_n_u_Graph_gp_GetFirstEdge __pyx_string_tab[71]
+#define __pyx_n_u_Graph_gp_GetFirstVertex __pyx_string_tab[72]
+#define __pyx_n_u_Graph_gp_GetLastVertex __pyx_string_tab[73]
+#define __pyx_n_u_Graph_gp_GetNeighbor __pyx_string_tab[74]
+#define __pyx_n_u_Graph_gp_GetNeighborEdgeRecord __pyx_string_tab[75]
+#define __pyx_n_u_Graph_gp_GetNextArc __pyx_string_tab[76]
+#define __pyx_n_u_Graph_gp_GetVertexDegree __pyx_string_tab[77]
+#define __pyx_n_u_Graph_gp_InitGraph __pyx_string_tab[78]
+#define __pyx_n_u_Graph_gp_IsArc __pyx_string_tab[79]
+#define __pyx_n_u_Graph_gp_IsVertex __pyx_string_tab[80]
+#define __pyx_n_u_Graph_gp_Read __pyx_string_tab[81]
+#define __pyx_n_u_Graph_gp_ReinitializeGraph __pyx_string_tab[82]
+#define __pyx_n_u_Graph_gp_TestEmbedResultIntegrit __pyx_string_tab[83]
+#define __pyx_n_u_Graph_gp_VertexInRange __pyx_string_tab[84]
+#define __pyx_n_u_Graph_gp_Write __pyx_string_tab[85]
+#define __pyx_n_u_Graph_gp_getN __pyx_string_tab[86]
+#define __pyx_n_u_Graph_is_graph_NULL __pyx_string_tab[87]
+#define __pyx_n_u_NIL __pyx_string_tab[88]
+#define __pyx_n_u_NONEMBEDDABLE __pyx_string_tab[89]
+#define __pyx_n_u_NOTOK __pyx_string_tab[90]
+#define __pyx_n_u_OK __pyx_string_tab[91]
+#define __pyx_n_u_Pyx_PyDict_NextRef __pyx_string_tab[92]
+#define __pyx_n_u_a __pyx_string_tab[93]
+#define __pyx_n_u_asyncio_coroutines __pyx_string_tab[94]
+#define __pyx_n_u_cline_in_traceback __pyx_string_tab[95]
+#define __pyx_n_u_copy_of_orig_graph __pyx_string_tab[96]
+#define __pyx_n_u_e __pyx_string_tab[97]
+#define __pyx_n_u_embedFlags __pyx_string_tab[98]
+#define __pyx_n_u_embed_result __pyx_string_tab[99]
+#define __pyx_n_u_encoded __pyx_string_tab[100]
+#define __pyx_n_u_func __pyx_string_tab[101]
+#define __pyx_n_u_g __pyx_string_tab[102]
+#define __pyx_n_u_get_wrapper_for_graphP __pyx_string_tab[103]
+#define __pyx_n_u_getstate __pyx_string_tab[104]
+#define __pyx_n_u_gp_AddEdge __pyx_string_tab[105]
+#define __pyx_n_u_gp_AttachDrawPlanar __pyx_string_tab[106]
+#define __pyx_n_u_gp_AttachK23Search __pyx_string_tab[107]
+#define __pyx_n_u_gp_AttachK33Search __pyx_string_tab[108]
+#define __pyx_n_u_gp_AttachK4Search __pyx_string_tab[109]
+#define __pyx_n_u_gp_CopyGraph __pyx_string_tab[110]
+#define __pyx_n_u_gp_DeleteEdge __pyx_string_tab[111]
+#define __pyx_n_u_gp_DupGraph __pyx_string_tab[112]
+#define __pyx_n_u_gp_EdgeInUse __pyx_string_tab[113]
+#define __pyx_n_u_gp_EdgeInUseIndexBound __pyx_string_tab[114]
+#define __pyx_n_u_gp_EdgeIndexBound __pyx_string_tab[115]
+#define __pyx_n_u_gp_Embed __pyx_string_tab[116]
+#define __pyx_n_u_gp_EnsureArcCapacity __pyx_string_tab[117]
+#define __pyx_n_u_gp_GetArcCapacity __pyx_string_tab[118]
+#define __pyx_n_u_gp_GetFirstArc __pyx_string_tab[119]
+#define __pyx_n_u_gp_GetFirstEdge __pyx_string_tab[120]
+#define __pyx_n_u_gp_GetFirstVertex __pyx_string_tab[121]
+#define __pyx_n_u_gp_GetLastVertex __pyx_string_tab[122]
+#define __pyx_n_u_gp_GetNeighbor __pyx_string_tab[123]
+#define __pyx_n_u_gp_GetNeighborEdgeRecord __pyx_string_tab[124]
+#define __pyx_n_u_gp_GetNextArc __pyx_string_tab[125]
+#define __pyx_n_u_gp_GetVertexDegree __pyx_string_tab[126]
+#define __pyx_n_u_gp_InitGraph __pyx_string_tab[127]
+#define __pyx_n_u_gp_IsArc __pyx_string_tab[128]
+#define __pyx_n_u_gp_IsVertex __pyx_string_tab[129]
+#define __pyx_n_u_gp_Read __pyx_string_tab[130]
+#define __pyx_n_u_gp_ReinitializeGraph __pyx_string_tab[131]
+#define __pyx_n_u_gp_TestEmbedResultIntegrity __pyx_string_tab[132]
+#define __pyx_n_u_gp_VertexInRange __pyx_string_tab[133]
+#define __pyx_n_u_gp_Write __pyx_string_tab[134]
+#define __pyx_n_u_gp_getN __pyx_string_tab[135]
+#define __pyx_n_u_infile_name __pyx_string_tab[136]
+#define __pyx_n_u_int __pyx_string_tab[137]
+#define __pyx_n_u_is_coroutine __pyx_string_tab[138]
+#define __pyx_n_u_is_graph_NULL __pyx_string_tab[139]
+#define __pyx_n_u_items __pyx_string_tab[140]
+#define __pyx_n_u_m __pyx_string_tab[141]
+#define __pyx_n_u_main __pyx_string_tab[142]
+#define __pyx_n_u_mode __pyx_string_tab[143]
+#define __pyx_n_u_mode_code __pyx_string_tab[144]
+#define __pyx_n_u_module __pyx_string_tab[145]
+#define __pyx_n_u_n __pyx_string_tab[146]
+#define __pyx_n_u_name __pyx_string_tab[147]
+#define __pyx_n_u_new_arc_capacity __pyx_string_tab[148]
+#define __pyx_n_u_new_graph __pyx_string_tab[149]
+#define __pyx_n_u_new_wrapper __pyx_string_tab[150]
+#define __pyx_n_u_nextLink __pyx_string_tab[151]
+#define __pyx_n_u_outfile_name __pyx_string_tab[152]
+#define __pyx_n_u_planarity_full_graph __pyx_string_tab[153]
+#define __pyx_n_u_pop __pyx_string_tab[154]
+#define __pyx_n_u_pyx_state __pyx_string_tab[155]
+#define __pyx_n_u_qualname __pyx_string_tab[156]
+#define __pyx_n_u_reduce __pyx_string_tab[157]
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+  /* function exit code */
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+  PyObject *__pyx_r = NULL;
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+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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+  /* function exit code */
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+  #if CYTHON_USE_TP_FINALIZE
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+}
+
+static PyMethodDef __pyx_methods_9planarity_4full_5graph_Graph[] = {
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+  {"get_wrapper_for_graphP", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_7get_wrapper_for_graphP, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_6get_wrapper_for_graphP},
+  {"gp_IsArc", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_9gp_IsArc, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_8gp_IsArc},
+  {"gp_GetFirstEdge", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_11gp_GetFirstEdge, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_10gp_GetFirstEdge},
+  {"gp_EdgeInUse", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_13gp_EdgeInUse, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_12gp_EdgeInUse},
+  {"gp_EdgeIndexBound", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_15gp_EdgeIndexBound, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_14gp_EdgeIndexBound},
+  {"gp_EdgeInUseIndexBound", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_17gp_EdgeInUseIndexBound, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_16gp_EdgeInUseIndexBound},
+  {"gp_GetFirstArc", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_19gp_GetFirstArc, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_18gp_GetFirstArc},
+  {"gp_GetNextArc", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_21gp_GetNextArc, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_20gp_GetNextArc},
+  {"gp_GetNeighbor", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_23gp_GetNeighbor, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_22gp_GetNeighbor},
+  {"gp_IsVertex", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_25gp_IsVertex, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_24gp_IsVertex},
+  {"gp_GetFirstVertex", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_27gp_GetFirstVertex, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_26gp_GetFirstVertex},
+  {"gp_GetLastVertex", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_29gp_GetLastVertex, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_28gp_GetLastVertex},
+  {"gp_VertexInRange", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_31gp_VertexInRange, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_30gp_VertexInRange},
+  {"gp_getN", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_33gp_getN, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_32gp_getN},
+  {"gp_InitGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_35gp_InitGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_34gp_InitGraph},
+  {"gp_ReinitializeGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_37gp_ReinitializeGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_36gp_ReinitializeGraph},
+  {"gp_CopyGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_39gp_CopyGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_38gp_CopyGraph},
+  {"gp_DupGraph", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_41gp_DupGraph, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_40gp_DupGraph},
+  {"gp_Read", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_43gp_Read, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_42gp_Read},
+  {"gp_Write", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_45gp_Write, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_44gp_Write},
+  {"gp_GetNeighborEdgeRecord", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_47gp_GetNeighborEdgeRecord, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_46gp_GetNeighborEdgeRecord},
+  {"gp_GetVertexDegree", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_49gp_GetVertexDegree, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_48gp_GetVertexDegree},
+  {"gp_GetArcCapacity", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_51gp_GetArcCapacity, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_50gp_GetArcCapacity},
+  {"gp_EnsureArcCapacity", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_53gp_EnsureArcCapacity, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_52gp_EnsureArcCapacity},
+  {"gp_AddEdge", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_55gp_AddEdge, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_54gp_AddEdge},
+  {"gp_DeleteEdge", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_57gp_DeleteEdge, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_56gp_DeleteEdge},
+  {"gp_AttachDrawPlanar", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_59gp_AttachDrawPlanar, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_58gp_AttachDrawPlanar},
+  {"gp_AttachK23Search", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_61gp_AttachK23Search, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_60gp_AttachK23Search},
+  {"gp_AttachK33Search", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_63gp_AttachK33Search, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_62gp_AttachK33Search},
+  {"gp_AttachK4Search", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_65gp_AttachK4Search, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_64gp_AttachK4Search},
+  {"gp_Embed", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_67gp_Embed, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_66gp_Embed},
+  {"gp_TestEmbedResultIntegrity", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_69gp_TestEmbedResultIntegrity, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_68gp_TestEmbedResultIntegrity},
+  {"__reduce_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_71__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_70__reduce_cython__},
+  {"__setstate_cython__", (PyCFunction)(void(*)(void))(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_9planarity_4full_5graph_5Graph_73__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, __pyx_doc_9planarity_4full_5graph_5Graph_72__setstate_cython__},
+  {0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type_9planarity_4full_5graph_Graph_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_9planarity_4full_5graph_Graph},
+  {Py_tp_methods, (void *)__pyx_methods_9planarity_4full_5graph_Graph},
+  {Py_tp_new, (void *)__pyx_tp_new_9planarity_4full_5graph_Graph},
+  {0, 0},
+};
+static PyType_Spec __pyx_type_9planarity_4full_5graph_Graph_spec = {
+  "planarity.full.graph.Graph",
+  sizeof(struct __pyx_obj_9planarity_4full_5graph_Graph),
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+}
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+    PyObject *data = __Pyx_DecompressString(cstring, 1992, 3);
+    if (unlikely(!data)) __PYX_ERR(0, 1, __pyx_L1_error)
+    const char* const bytes = __Pyx_PyBytes_AsString(data);
+    #if !CYTHON_ASSUME_SAFE_MACROS
+    if (likely(bytes)); else { Py_DECREF(data); __PYX_ERR(0, 1, __pyx_L1_error) }
+    #endif
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+    PyObject *data = __Pyx_DecompressString(cstring, 2152, 2);
+    if (unlikely(!data)) __PYX_ERR(0, 1, __pyx_L1_error)
+    const char* const bytes = __Pyx_PyBytes_AsString(data);
+    #if !CYTHON_ASSUME_SAFE_MACROS
+    if (likely(bytes)); else { Py_DECREF(data); __PYX_ERR(0, 1, __pyx_L1_error) }
+    #endif
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+    PyObject *data = __Pyx_DecompressString(cstring, 1975, 1);
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+    PyObject *data = NULL;
+    CYTHON_UNUSED_VAR(__Pyx_DecompressString);
+    #endif
+    PyObject **stringtab = __pyx_mstate->__pyx_string_tab;
+    Py_ssize_t pos = 0;
+    for (int i = 0; i < 174; i++) {
+      Py_ssize_t bytes_length = index[i].length;
+      PyObject *string = PyUnicode_DecodeUTF8(bytes + pos, bytes_length, NULL);
+      if (likely(string) && i >= 45) PyUnicode_InternInPlace(&string);
+      if (unlikely(!string)) {
+        Py_XDECREF(data);
+        __PYX_ERR(0, 1, __pyx_L1_error)
+      }
+      stringtab[i] = string;
+      pos += bytes_length;
+    }
+    for (int i = 174; i < 205; i++) {
+      Py_ssize_t bytes_length = index[i].length;
+      PyObject *string = PyBytes_FromStringAndSize(bytes + pos, bytes_length);
+      stringtab[i] = string;
+      pos += bytes_length;
+      if (unlikely(!string)) {
+        Py_XDECREF(data);
+        __PYX_ERR(0, 1, __pyx_L1_error)
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+    Py_XDECREF(data);
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+        __PYX_ERR(0, 1, __pyx_L1_error)
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+    #if CYTHON_IMMORTAL_CONSTANTS
+    {
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+      for (Py_ssize_t i=0; i<31; ++i) {
+        #if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+        #if PY_VERSION_HEX < 0x030E0000
+        if (_Py_IsOwnedByCurrentThread(table[i]) && Py_REFCNT(table[i]) == 1)
+        #else
+        if (PyUnstable_Object_IsUniquelyReferenced(table[i]))
+        #endif
+        {
+          Py_SET_REFCNT(table[i], _Py_IMMORTAL_REFCNT_LOCAL);
+        }
+        #else
+        Py_SET_REFCNT(table[i], _Py_IMMORTAL_INITIAL_REFCNT);
+        #endif
+      }
+    }
+    #endif
+  }
+  {
+    PyObject **numbertab = __pyx_mstate->__pyx_number_tab + 0;
+    int8_t const cint_constants_1[] = {0};
+    for (int i = 0; i < 1; i++) {
+      numbertab[i] = PyLong_FromLong(cint_constants_1[i - 0]);
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+  {
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+    for (Py_ssize_t i=0; i<1; ++i) {
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+      if (_Py_IsOwnedByCurrentThread(table[i]) && Py_REFCNT(table[i]) == 1)
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+      if (PyUnstable_Object_IsUniquelyReferenced(table[i]))
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+}
+/* #### Code section: init_codeobjects ### */
+typedef struct {
+    unsigned int argcount : 3;
+    unsigned int num_posonly_args : 1;
+    unsigned int num_kwonly_args : 1;
+    unsigned int nlocals : 3;
+    unsigned int flags : 10;
+    unsigned int first_line : 9;
+} __Pyx_PyCode_New_function_description;
+/* NewCodeObj.proto */
+static PyObject* __Pyx_PyCode_New(
+        const __Pyx_PyCode_New_function_description descr,
+        PyObject * const *varnames,
+        PyObject *filename,
+        PyObject *funcname,
+        PyObject *line_table,
+        PyObject *tuple_dedup_map
+);
+
+
+static int __Pyx_CreateCodeObjects(__pyx_mstatetype *__pyx_mstate) {
+  PyObject* tuple_dedup_map = PyDict_New();
+  if (unlikely(!tuple_dedup_map)) return -1;
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 38};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[0] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_is_graph_NULL, __pyx_mstate->__pyx_kp_b_iso88591_A_t_c, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[0])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 41};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_new_wrapper};
+    __pyx_mstate_global->__pyx_codeobj_tab[1] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_get_wrapper_for_graphP, __pyx_mstate->__pyx_kp_b_iso88591_a_k_A_Qa_A_q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[1])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 51};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_e};
+    __pyx_mstate_global->__pyx_codeobj_tab[2] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_IsArc, __pyx_mstate->__pyx_kp_b_iso88591_A_s_d_r_t1_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[2])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 58};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[3] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetFirstEdge, __pyx_mstate->__pyx_kp_b_iso88591_A_Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[3])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 61};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_e};
+    __pyx_mstate_global->__pyx_codeobj_tab[4] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_EdgeInUse, __pyx_mstate->__pyx_kp_b_iso88591_A_4t9AQ_a_Qa_Qd_a, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[4])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 69};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[5] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_EdgeIndexBound, __pyx_mstate->__pyx_kp_b_iso88591_A_4q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[5])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 72};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[6] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_EdgeInUseIndexBound, __pyx_mstate->__pyx_kp_b_iso88591_A_q_A, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[6])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 75};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_v};
+    __pyx_mstate_global->__pyx_codeobj_tab[7] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetFirstArc, __pyx_mstate->__pyx_kp_b_iso88591_A_4t_q_a_A_q_L, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[7])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 83};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_e};
+    __pyx_mstate_global->__pyx_codeobj_tab[8] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetNextArc, __pyx_mstate->__pyx_kp_b_iso88591_A_4t9AQ_a_aq_at_q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[8])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 91};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_e};
+    __pyx_mstate_global->__pyx_codeobj_tab[9] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetNeighbor, __pyx_mstate->__pyx_kp_b_iso88591_A_4t9AQ_a_q_q_L, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[9])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 99};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_v};
+    __pyx_mstate_global->__pyx_codeobj_tab[10] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_IsVertex, __pyx_mstate->__pyx_kp_b_iso88591_A_s_A_s_t1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[10])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 106};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[11] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetFirstVertex, __pyx_mstate->__pyx_kp_b_iso88591_A_4q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[11])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 109};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[12] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetLastVertex, __pyx_mstate->__pyx_kp_b_iso88591_A_a, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[12])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 112};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_v};
+    __pyx_mstate_global->__pyx_codeobj_tab[13] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_VertexInRange, __pyx_mstate->__pyx_kp_b_iso88591_A_c_s_at_q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[13])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 118};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[14] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_getN, __pyx_mstate->__pyx_kp_b_iso88591_4_Q_aq_Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[14])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 126};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_n};
+    __pyx_mstate_global->__pyx_codeobj_tab[15] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_InitGraph, __pyx_mstate->__pyx_kp_b_iso88591_A_M_l_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[15])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 130};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[16] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_ReinitializeGraph, __pyx_mstate->__pyx_kp_b_iso88591_A_at1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[16])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 133};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_src_graph};
+    __pyx_mstate_global->__pyx_codeobj_tab[17] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_CopyGraph, __pyx_mstate->__pyx_kp_b_iso88591_A_9N_S_Cq_A_4xs_Yha_A_M_l_ST_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[17])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 3, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 147};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_theGraph_dup, __pyx_mstate->__pyx_n_u_new_graph};
+    __pyx_mstate_global->__pyx_codeobj_tab[18] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_DupGraph, __pyx_mstate->__pyx_kp_b_iso88591_Q_6l_4q_1_Qa_uA_S_Qa_9Ks_Qay_a, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[18])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 4, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 164};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_infile_name, __pyx_mstate->__pyx_n_u_encoded, __pyx_mstate->__pyx_n_u_FileName};
+    __pyx_mstate_global->__pyx_codeobj_tab[19] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_Read, __pyx_mstate->__pyx_kp_b_iso88591_A_q_A_HAT_Z_1_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[19])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {3, 0, 0, 6, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 172};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_outfile_name, __pyx_mstate->__pyx_n_u_mode, __pyx_mstate->__pyx_n_u_mode_code, __pyx_mstate->__pyx_n_u_encoded, __pyx_mstate->__pyx_n_u_FileName};
+    __pyx_mstate_global->__pyx_codeobj_tab[20] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_Write, __pyx_mstate->__pyx_kp_b_iso88591_A_Y_0_S_E_A_m5_1_4q_A_31A_A_IQd, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[20])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {3, 0, 0, 3, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 192};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_u, __pyx_mstate->__pyx_n_u_v};
+    __pyx_mstate_global->__pyx_codeobj_tab[21] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetNeighborEdgeRecord, __pyx_mstate->__pyx_kp_b_iso88591_A_4t_q_as_1_4t_q_as_1_1_l_Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[21])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 200};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_v};
+    __pyx_mstate_global->__pyx_codeobj_tab[22] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetVertexDegree, __pyx_mstate->__pyx_kp_b_iso88591_A_4t_q_as_1_1D_A, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[22])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 206};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[23] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_GetArcCapacity, __pyx_mstate->__pyx_kp_b_iso88591_A_4q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[23])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 209};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_new_arc_capacity};
+    __pyx_mstate_global->__pyx_codeobj_tab[24] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_EnsureArcCapacity, __pyx_mstate->__pyx_kp_b_iso88591_A_l_LLXY_a_1, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[24])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {5, 0, 0, 5, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 215};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_u, __pyx_mstate->__pyx_n_u_ulink, __pyx_mstate->__pyx_n_u_v, __pyx_mstate->__pyx_n_u_vlink};
+    __pyx_mstate_global->__pyx_codeobj_tab[25] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_AddEdge, __pyx_mstate->__pyx_kp_b_iso88591_A_6_Bd_1_a_1_6_Bd_1_a_1_Kq_L_7_W, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[25])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {3, 0, 0, 3, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 230};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_e, __pyx_mstate->__pyx_n_u_nextLink};
+    __pyx_mstate_global->__pyx_codeobj_tab[26] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_DeleteEdge, __pyx_mstate->__pyx_kp_b_iso88591_A_4t9AQ_a_7q_9Cr_Yc_a_4AQ_at_s, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[26])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 242};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[27] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_AttachDrawPlanar, __pyx_mstate->__pyx_kp_b_iso88591_A_Q_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[27])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 246};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[28] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_AttachK23Search, __pyx_mstate->__pyx_kp_b_iso88591_A_q_L_A_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[28])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 250};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[29] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_AttachK33Search, __pyx_mstate->__pyx_kp_b_iso88591_A_q_L_A_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[29])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 254};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[30] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_AttachK4Search, __pyx_mstate->__pyx_kp_b_iso88591_A_at_1_aq, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[30])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 258};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_embedFlags};
+    __pyx_mstate_global->__pyx_codeobj_tab[31] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_Embed, __pyx_mstate->__pyx_kp_b_iso88591_l, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[31])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {3, 0, 0, 3, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 261};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_copy_of_orig_graph, __pyx_mstate->__pyx_n_u_embed_result};
+    __pyx_mstate_global->__pyx_codeobj_tab[32] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_planarity_full_graph_pyx, __pyx_mstate->__pyx_n_u_gp_TestEmbedResultIntegrity, __pyx_mstate->__pyx_kp_b_iso88591_YYZ_4AT_EWWccd, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[32])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {1, 0, 0, 1, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 1};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self};
+    __pyx_mstate_global->__pyx_codeobj_tab[33] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_stringsource, __pyx_mstate->__pyx_n_u_reduce_cython, __pyx_mstate->__pyx_kp_b_iso88591_Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[33])) goto bad;
+  }
+  {
+    const __Pyx_PyCode_New_function_description descr = {2, 0, 0, 2, (unsigned int)(CO_OPTIMIZED|CO_NEWLOCALS), 3};
+    PyObject* const varnames[] = {__pyx_mstate->__pyx_n_u_self, __pyx_mstate->__pyx_n_u_pyx_state};
+    __pyx_mstate_global->__pyx_codeobj_tab[34] = __Pyx_PyCode_New(descr, varnames, __pyx_mstate->__pyx_kp_u_stringsource, __pyx_mstate->__pyx_n_u_setstate_cython, __pyx_mstate->__pyx_kp_b_iso88591_Q, tuple_dedup_map); if (unlikely(!__pyx_mstate_global->__pyx_codeobj_tab[34])) goto bad;
+  }
+  Py_DECREF(tuple_dedup_map);
+  return 0;
+  bad:
+  Py_DECREF(tuple_dedup_map);
+  return -1;
+}
+/* #### Code section: init_globals ### */
+
+static int __Pyx_InitGlobals(void) {
+  /* PythonCompatibility.init */
+  if (likely(__Pyx_init_co_variables() == 0)); else
+  
+  if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1, __pyx_L1_error)
+
+  /* CommonTypesMetaclass.init */
+  if (likely(__pyx_CommonTypesMetaclass_init(__pyx_m) == 0)); else
+  
+  if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1, __pyx_L1_error)
+
+  /* CachedMethodType.init */
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  {
+      PyObject *typesModule=NULL;
+      typesModule = PyImport_ImportModule("types");
+      if (typesModule) {
+          __pyx_mstate_global->__Pyx_CachedMethodType = PyObject_GetAttrString(typesModule, "MethodType");
+          Py_DECREF(typesModule);
+      }
+  } // error handling follows
+  #endif
+  
+  if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1, __pyx_L1_error)
+
+  /* CythonFunctionShared.init */
+  if (likely(__pyx_CyFunction_init(__pyx_m) == 0)); else
+  
+  if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1, __pyx_L1_error)
+
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+/* #### Code section: cleanup_globals ### */
+/* #### Code section: cleanup_module ### */
+/* #### Code section: main_method ### */
+/* #### Code section: utility_code_pragmas ### */
+#ifdef _MSC_VER
+#pragma warning( push )
+/* Warning 4127: conditional expression is constant
+ * Cython uses constant conditional expressions to allow in inline functions to be optimized at
+ * compile-time, so this warning is not useful
+ */
+#pragma warning( disable : 4127 )
+#endif
+
+
+
+/* #### Code section: utility_code_def ### */
+
+/* --- Runtime support code --- */
+/* Refnanny */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule(modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, "RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif
+
+/* TupleAndListFromArray (used by fastcall) */
+#if !CYTHON_COMPILING_IN_CPYTHON && CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject *
+__Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    Py_ssize_t i;
+    if (n <= 0) {
+        return __Pyx_NewRef(__pyx_mstate_global->__pyx_empty_tuple);
+    }
+    res = PyTuple_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    for (i = 0; i < n; i++) {
+        if (unlikely(__Pyx_PyTuple_SET_ITEM(res, i, src[i]) < (0))) {
+            Py_DECREF(res);
+            return NULL;
+        }
+        Py_INCREF(src[i]);
+    }
+    return res;
+}
+#elif CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE void __Pyx_copy_object_array(PyObject *const *CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
+    PyObject *v;
+    Py_ssize_t i;
+    for (i = 0; i < length; i++) {
+        v = dest[i] = src[i];
+        Py_INCREF(v);
+    }
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        return __Pyx_NewRef(__pyx_mstate_global->__pyx_empty_tuple);
+    }
+    res = PyTuple_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyTupleObject*)res)->ob_item, n);
+    return res;
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        return PyList_New(0);
+    }
+    res = PyList_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyListObject*)res)->ob_item, n);
+    return res;
+}
+#endif
+
+/* BytesEquals (used by UnicodeEquals) */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_GRAAL ||\
+        !(CYTHON_ASSUME_SAFE_SIZE && CYTHON_ASSUME_SAFE_MACROS)
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    if (s1 == s2) {
+        return (equals == Py_EQ);
+    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
+        const char *ps1, *ps2;
+        Py_ssize_t length = PyBytes_GET_SIZE(s1);
+        if (length != PyBytes_GET_SIZE(s2))
+            return (equals == Py_NE);
+        ps1 = PyBytes_AS_STRING(s1);
+        ps2 = PyBytes_AS_STRING(s2);
+        if (ps1[0] != ps2[0]) {
+            return (equals == Py_NE);
+        } else if (length == 1) {
+            return (equals == Py_EQ);
+        } else {
+            int result;
+#if CYTHON_USE_UNICODE_INTERNALS && (PY_VERSION_HEX < 0x030B0000)
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyBytesObject*)s1)->ob_shash;
+            hash2 = ((PyBytesObject*)s2)->ob_shash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                return (equals == Py_NE);
+            }
+#endif
+            result = memcmp(ps1, ps2, (size_t)length);
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
+        return (equals == Py_NE);
+    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
+        return (equals == Py_NE);
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
+}
+
+/* UnicodeEquals (used by fastcall) */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_GRAAL
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length, length2;
+        int kind;
+        void *data1, *data2;
+        #if !CYTHON_COMPILING_IN_LIMITED_API
+        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
+            return -1;
+        #endif
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(length < 0)) return -1;
+        #endif
+        length2 = __Pyx_PyUnicode_GET_LENGTH(s2);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(length2 < 0)) return -1;
+        #endif
+        if (length != length2) {
+            goto return_ne;
+        }
+#if CYTHON_USE_UNICODE_INTERNALS
+        {
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyASCIIObject*)s1)->hash;
+            hash2 = ((PyASCIIObject*)s2)->hash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                goto return_ne;
+            }
+        }
+#endif
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, (size_t)(length * kind));
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    return (equals == Py_EQ);
+return_ne:
+    return (equals == Py_NE);
+#endif
+}
+
+/* fastcall */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s)
+{
+    Py_ssize_t i, n = __Pyx_PyTuple_GET_SIZE(kwnames);
+    #if !CYTHON_ASSUME_SAFE_SIZE
+    if (unlikely(n == -1)) return NULL;
+    #endif
+    for (i = 0; i < n; i++)
+    {
+        PyObject *namei = __Pyx_PyTuple_GET_ITEM(kwnames, i);
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!namei)) return NULL;
+        #endif
+        if (s == namei) return kwvalues[i];
+    }
+    for (i = 0; i < n; i++)
+    {
+        PyObject *namei = __Pyx_PyTuple_GET_ITEM(kwnames, i);
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!namei)) return NULL;
+        #endif
+        int eq = __Pyx_PyUnicode_Equals(s, namei, Py_EQ);
+        if (unlikely(eq != 0)) {
+            if (unlikely(eq < 0)) return NULL;
+            return kwvalues[i];
+        }
+    }
+    return NULL;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000 || CYTHON_COMPILING_IN_LIMITED_API
+CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues) {
+    Py_ssize_t i, nkwargs;
+    PyObject *dict;
+#if !CYTHON_ASSUME_SAFE_SIZE
+    nkwargs = PyTuple_Size(kwnames);
+    if (unlikely(nkwargs < 0)) return NULL;
+#else
+    nkwargs = PyTuple_GET_SIZE(kwnames);
+#endif
+    dict = PyDict_New();
+    if (unlikely(!dict))
+        return NULL;
+    for (i=0; i<nkwargs; i++) {
+#if !CYTHON_ASSUME_SAFE_MACROS
+        PyObject *key = PyTuple_GetItem(kwnames, i);
+        if (!key) goto bad;
+#else
+        PyObject *key = PyTuple_GET_ITEM(kwnames, i);
+#endif
+        if (unlikely(PyDict_SetItem(dict, key, kwvalues[i]) < 0))
+            goto bad;
+    }
+    return dict;
+bad:
+    Py_DECREF(dict);
+    return NULL;
+}
+#endif
+#endif
+
+/* RaiseArgTupleInvalid */
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+/* PyObjectCall (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = Py_TYPE(func)->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    result = (*call)(func, arg, kw);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectCallMethO (used by PyObjectFastCall) */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
+    PyObject *self, *result;
+    PyCFunction cfunc;
+    cfunc = __Pyx_CyOrPyCFunction_GET_FUNCTION(func);
+    self = __Pyx_CyOrPyCFunction_GET_SELF(func);
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    result = cfunc(self, arg);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectFastCall (used by PyObjectCallOneArg) */
+#if PY_VERSION_HEX < 0x03090000 || CYTHON_COMPILING_IN_LIMITED_API
+static PyObject* __Pyx_PyObject_FastCall_fallback(PyObject *func, PyObject * const*args, size_t nargs, PyObject *kwargs) {
+    PyObject *argstuple;
+    PyObject *result = 0;
+    size_t i;
+    argstuple = PyTuple_New((Py_ssize_t)nargs);
+    if (unlikely(!argstuple)) return NULL;
+    for (i = 0; i < nargs; i++) {
+        Py_INCREF(args[i]);
+        if (__Pyx_PyTuple_SET_ITEM(argstuple, (Py_ssize_t)i, args[i]) != (0)) goto bad;
+    }
+    result = __Pyx_PyObject_Call(func, argstuple, kwargs);
+  bad:
+    Py_DECREF(argstuple);
+    return result;
+}
+#endif
+#if CYTHON_VECTORCALL && !CYTHON_COMPILING_IN_LIMITED_API
+  #if PY_VERSION_HEX < 0x03090000
+    #define __Pyx_PyVectorcall_Function(callable) _PyVectorcall_Function(callable)
+  #elif CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE vectorcallfunc __Pyx_PyVectorcall_Function(PyObject *callable) {
+    PyTypeObject *tp = Py_TYPE(callable);
+    #if defined(__Pyx_CyFunction_USED)
+    if (__Pyx_CyFunction_CheckExact(callable)) {
+        return __Pyx_CyFunction_func_vectorcall(callable);
+    }
+    #endif
+    if (!PyType_HasFeature(tp, Py_TPFLAGS_HAVE_VECTORCALL)) {
+        return NULL;
+    }
+    assert(PyCallable_Check(callable));
+    Py_ssize_t offset = tp->tp_vectorcall_offset;
+    assert(offset > 0);
+    vectorcallfunc ptr;
+    memcpy(&ptr, (char *) callable + offset, sizeof(ptr));
+    return ptr;
+}
+  #else
+    #define __Pyx_PyVectorcall_Function(callable) PyVectorcall_Function(callable)
+  #endif
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject *const *args, size_t _nargs, PyObject *kwargs) {
+    Py_ssize_t nargs = __Pyx_PyVectorcall_NARGS(_nargs);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (nargs == 0 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_NOARGS))
+            return __Pyx_PyObject_CallMethO(func, NULL);
+    }
+    else if (nargs == 1 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_O))
+            return __Pyx_PyObject_CallMethO(func, args[0]);
+    }
+#endif
+    if (kwargs == NULL) {
+        #if CYTHON_VECTORCALL
+          #if CYTHON_COMPILING_IN_LIMITED_API
+            return PyObject_Vectorcall(func, args, _nargs, NULL);
+          #else
+            vectorcallfunc f = __Pyx_PyVectorcall_Function(func);
+            if (f) {
+                return f(func, args, _nargs, NULL);
+            }
+          #endif
+        #endif
+    }
+    if (nargs == 0) {
+        return __Pyx_PyObject_Call(func, __pyx_mstate_global->__pyx_empty_tuple, kwargs);
+    }
+    #if PY_VERSION_HEX >= 0x03090000 && !CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_VectorcallDict(func, args, (size_t)nargs, kwargs);
+    #else
+    return __Pyx_PyObject_FastCall_fallback(func, args, (size_t)nargs, kwargs);
+    #endif
+}
+
+/* PyObjectCallOneArg (used by CallUnboundCMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *args[2] = {NULL, arg};
+    return __Pyx_PyObject_FastCall(func, args+1, 1 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
+/* PyObjectGetAttrStr (used by UnpackUnboundCMethod) */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+    return PyObject_GetAttr(obj, attr_name);
+}
+#endif
+
+/* UnpackUnboundCMethod (used by CallUnboundCMethod0) */
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030C0000
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject *args, PyObject *kwargs) {
+    PyObject *result;
+    PyObject *selfless_args = PyTuple_GetSlice(args, 1, PyTuple_Size(args));
+    if (unlikely(!selfless_args)) return NULL;
+    result = PyObject_Call(method, selfless_args, kwargs);
+    Py_DECREF(selfless_args);
+    return result;
+}
+#elif CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03090000
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject **args, Py_ssize_t nargs, PyObject *kwnames) {
+        return _PyObject_Vectorcall
+            (method, args ? args+1 : NULL, nargs ? nargs-1 : 0, kwnames);
+}
+#else
+static PyObject *__Pyx_SelflessCall(PyObject *method, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames) {
+    return
+#if PY_VERSION_HEX < 0x03090000
+    _PyObject_Vectorcall
+#else
+    PyObject_Vectorcall
+#endif
+        (method, args ? args+1 : NULL, nargs ? (size_t) nargs-1 : 0, kwnames);
+}
+#endif
+static PyMethodDef __Pyx_UnboundCMethod_Def = {
+     "CythonUnboundCMethod",
+     __PYX_REINTERPRET_FUNCION(PyCFunction, __Pyx_SelflessCall),
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030C0000
+     METH_VARARGS | METH_KEYWORDS,
+#else
+     METH_FASTCALL | METH_KEYWORDS,
+#endif
+     NULL
+};
+static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) {
+    PyObject *method, *result=NULL;
+    method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name);
+    if (unlikely(!method))
+        return -1;
+    result = method;
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely(__Pyx_TypeCheck(method, &PyMethodDescr_Type)))
+    {
+        PyMethodDescrObject *descr = (PyMethodDescrObject*) method;
+        target->func = descr->d_method->ml_meth;
+        target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_STACKLESS);
+    } else
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+#else
+    if (PyCFunction_Check(method))
+#endif
+    {
+        PyObject *self;
+        int self_found;
+#if CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_PYPY
+        self = PyObject_GetAttrString(method, "__self__");
+        if (!self) {
+            PyErr_Clear();
+        }
+#else
+        self = PyCFunction_GET_SELF(method);
+#endif
+        self_found = (self && self != Py_None);
+#if CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_PYPY
+        Py_XDECREF(self);
+#endif
+        if (self_found) {
+            PyObject *unbound_method = PyCFunction_New(&__Pyx_UnboundCMethod_Def, method);
+            if (unlikely(!unbound_method)) return -1;
+            Py_DECREF(method);
+            result = unbound_method;
+        }
+    }
+#if !CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    if (unlikely(target->method)) {
+        Py_DECREF(result);
+    } else
+#endif
+    target->method = result;
+    return 0;
+}
+
+/* CallUnboundCMethod0 */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
+    int was_initialized = __Pyx_CachedCFunction_GetAndSetInitializing(cfunc);
+    if (likely(was_initialized == 2 && cfunc->func)) {
+        if (likely(cfunc->flag == METH_NOARGS))
+            return __Pyx_CallCFunction(cfunc, self, NULL);
+        if (likely(cfunc->flag == METH_FASTCALL))
+            return __Pyx_CallCFunctionFast(cfunc, self, NULL, 0);
+        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
+            return __Pyx_CallCFunctionFastWithKeywords(cfunc, self, NULL, 0, NULL);
+        if (likely(cfunc->flag == (METH_VARARGS | METH_KEYWORDS)))
+            return __Pyx_CallCFunctionWithKeywords(cfunc, self, __pyx_mstate_global->__pyx_empty_tuple, NULL);
+        if (cfunc->flag == METH_VARARGS)
+            return __Pyx_CallCFunction(cfunc, self, __pyx_mstate_global->__pyx_empty_tuple);
+        return __Pyx__CallUnboundCMethod0(cfunc, self);
+    }
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    else if (unlikely(was_initialized == 1)) {
+        __Pyx_CachedCFunction tmp_cfunc = {
+#ifndef __cplusplus
+            0
+#endif
+        };
+        tmp_cfunc.type = cfunc->type;
+        tmp_cfunc.method_name = cfunc->method_name;
+        return __Pyx__CallUnboundCMethod0(&tmp_cfunc, self);
+    }
+#endif
+    PyObject *result = __Pyx__CallUnboundCMethod0(cfunc, self);
+    __Pyx_CachedCFunction_SetFinishedInitializing(cfunc);
+    return result;
+}
+#endif
+static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
+    PyObject *result;
+    if (unlikely(!cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
+    result = __Pyx_PyObject_CallOneArg(cfunc->method, self);
+    return result;
+}
+
+/* py_dict_items (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d) {
+    return __Pyx_CallUnboundCMethod0(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_items, d);
+}
+
+/* py_dict_values (used by OwnedDictNext) */
+static CYTHON_INLINE PyObject* __Pyx_PyDict_Values(PyObject* d) {
+    return __Pyx_CallUnboundCMethod0(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_values, d);
+}
+
+/* OwnedDictNext (used by RejectKeywords) */
+#if CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, PyObject **ppos, PyObject **pkey, PyObject **pvalue) {
+    PyObject *next = NULL;
+    if (!*ppos) {
+        if (pvalue) {
+            PyObject *dictview = pkey ? __Pyx_PyDict_Items(p) : __Pyx_PyDict_Values(p);
+            if (unlikely(!dictview)) goto bad;
+            *ppos = PyObject_GetIter(dictview);
+            Py_DECREF(dictview);
+        } else {
+            *ppos = PyObject_GetIter(p);
+        }
+        if (unlikely(!*ppos)) goto bad;
+    }
+    next = PyIter_Next(*ppos);
+    if (!next) {
+        if (PyErr_Occurred()) goto bad;
+        return 0;
+    }
+    if (pkey && pvalue) {
+        *pkey = __Pyx_PySequence_ITEM(next, 0);
+        if (unlikely(*pkey)) goto bad;
+        *pvalue = __Pyx_PySequence_ITEM(next, 1);
+        if (unlikely(*pvalue)) goto bad;
+        Py_DECREF(next);
+    } else if (pkey) {
+        *pkey = next;
+    } else {
+        assert(pvalue);
+        *pvalue = next;
+    }
+    return 1;
+  bad:
+    Py_XDECREF(next);
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d0000
+    PyErr_FormatUnraisable("Exception ignored in __Pyx_PyDict_NextRef");
+#else
+    PyErr_WriteUnraisable(__pyx_mstate_global->__pyx_n_u_Pyx_PyDict_NextRef);
+#endif
+    if (pkey) *pkey = NULL;
+    if (pvalue) *pvalue = NULL;
+    return 0;
+}
+#else // !CYTHON_AVOID_BORROWED_REFS
+static int __Pyx_PyDict_NextRef(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue) {
+    int result = PyDict_Next(p, ppos, pkey, pvalue);
+    if (likely(result == 1)) {
+        if (pkey) Py_INCREF(*pkey);
+        if (pvalue) Py_INCREF(*pvalue);
+    }
+    return result;
+}
+#endif
+
+/* RejectKeywords */
+static void __Pyx_RejectKeywords(const char* function_name, PyObject *kwds) {
+    PyObject *key = NULL;
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds))) {
+        key = __Pyx_PySequence_ITEM(kwds, 0);
+    } else {
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *pos = NULL;
+#else
+        Py_ssize_t pos = 0;
+#endif
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+        if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return;
+#endif
+        __Pyx_PyDict_NextRef(kwds, &pos, &key, NULL);
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_XDECREF(pos);
+#endif
+    }
+    if (likely(key)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s() got an unexpected keyword argument '%U'",
+            function_name, key);
+        Py_DECREF(key);
+    }
+}
+
+/* PyErrFetchRestore (used by RaiseException) */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *tmp_value;
+    assert(type == NULL || (value != NULL && type == (PyObject*) Py_TYPE(value)));
+    if (value) {
+        #if CYTHON_COMPILING_IN_CPYTHON
+        if (unlikely(((PyBaseExceptionObject*) value)->traceback != tb))
+        #endif
+            PyException_SetTraceback(value, tb);
+    }
+    tmp_value = tstate->current_exception;
+    tstate->current_exception = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+#else
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject* exc_value;
+    exc_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    *value = exc_value;
+    *type = NULL;
+    *tb = NULL;
+    if (exc_value) {
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        *tb = ((PyBaseExceptionObject*) exc_value)->traceback;
+        Py_XINCREF(*tb);
+        #else
+        *tb = PyException_GetTraceback(exc_value);
+        #endif
+    }
+#else
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#endif
+}
+#endif
+
+/* RaiseException */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                int is_subclass = PyObject_IsSubclass(instance_class, type);
+                if (!is_subclass) {
+                    instance_class = NULL;
+                } else if (unlikely(is_subclass == -1)) {
+                    goto bad;
+                } else {
+                    type = instance_class;
+                }
+            }
+        }
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
+        }
+    } else {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        } else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        } else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+        PyException_SetTraceback(value, tb);
+#elif CYTHON_FAST_THREAD_STATE
+        PyThreadState *tstate = __Pyx_PyThreadState_Current;
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
+#endif
+    }
+bad:
+    Py_XDECREF(owned_instance);
+    return;
+}
+
+/* RaiseDoubleKeywords (used by ParseKeywordsImpl) */
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+}
+
+/* CallUnboundCMethod2 */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2) {
+    int was_initialized = __Pyx_CachedCFunction_GetAndSetInitializing(cfunc);
+    if (likely(was_initialized == 2 && cfunc->func)) {
+        PyObject *args[2] = {arg1, arg2};
+        if (cfunc->flag == METH_FASTCALL) {
+            return __Pyx_CallCFunctionFast(cfunc, self, args, 2);
+        }
+        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
+            return __Pyx_CallCFunctionFastWithKeywords(cfunc, self, args, 2, NULL);
+    }
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    else if (unlikely(was_initialized == 1)) {
+        __Pyx_CachedCFunction tmp_cfunc = {
+#ifndef __cplusplus
+            0
+#endif
+        };
+        tmp_cfunc.type = cfunc->type;
+        tmp_cfunc.method_name = cfunc->method_name;
+        return __Pyx__CallUnboundCMethod2(&tmp_cfunc, self, arg1, arg2);
+    }
+#endif
+    PyObject *result = __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2);
+    __Pyx_CachedCFunction_SetFinishedInitializing(cfunc);
+    return result;
+}
+#endif
+static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2){
+    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
+        PyObject *result = NULL;
+        PyObject *args = PyTuple_New(2);
+        if (unlikely(!args)) return NULL;
+        Py_INCREF(arg1);
+        PyTuple_SET_ITEM(args, 0, arg1);
+        Py_INCREF(arg2);
+        PyTuple_SET_ITEM(args, 1, arg2);
+        if (cfunc->flag & METH_KEYWORDS)
+            result = __Pyx_CallCFunctionWithKeywords(cfunc, self, args, NULL);
+        else
+            result = __Pyx_CallCFunction(cfunc, self, args);
+        Py_DECREF(args);
+        return result;
+    }
+#endif
+    {
+        PyObject *args[4] = {NULL, self, arg1, arg2};
+        return __Pyx_PyObject_FastCall(cfunc->method, args+1, 3 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+    }
+}
+
+/* ParseKeywordsImpl (used by ParseKeywords) */
+static int __Pyx_ValidateDuplicatePosArgs(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    const char* function_name)
+{
+    PyObject ** const *name = argnames;
+    while (name != first_kw_arg) {
+        PyObject *key = **name;
+        int found = PyDict_Contains(kwds, key);
+        if (unlikely(found)) {
+            if (found == 1) __Pyx_RaiseDoubleKeywordsError(function_name, key);
+            goto bad;
+        }
+        name++;
+    }
+    return 0;
+bad:
+    return -1;
+}
+#if CYTHON_USE_UNICODE_INTERNALS
+static CYTHON_INLINE int __Pyx_UnicodeKeywordsEqual(PyObject *s1, PyObject *s2) {
+    int kind;
+    Py_ssize_t len = PyUnicode_GET_LENGTH(s1);
+    if (len != PyUnicode_GET_LENGTH(s2)) return 0;
+    kind = PyUnicode_KIND(s1);
+    if (kind != PyUnicode_KIND(s2)) return 0;
+    const void *data1 = PyUnicode_DATA(s1);
+    const void *data2 = PyUnicode_DATA(s2);
+    return (memcmp(data1, data2, (size_t) len * (size_t) kind) == 0);
+}
+#endif
+static int __Pyx_MatchKeywordArg_str(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    PyObject ** const *name;
+    #if CYTHON_USE_UNICODE_INTERNALS
+    Py_hash_t key_hash = ((PyASCIIObject*)key)->hash;
+    if (unlikely(key_hash == -1)) {
+        key_hash = PyObject_Hash(key);
+        if (unlikely(key_hash == -1))
+            goto bad;
+    }
+    #endif
+    name = first_kw_arg;
+    while (*name) {
+        PyObject *name_str = **name;
+        #if CYTHON_USE_UNICODE_INTERNALS
+        if (key_hash == ((PyASCIIObject*)name_str)->hash && __Pyx_UnicodeKeywordsEqual(name_str, key)) {
+            *index_found = (size_t) (name - argnames);
+            return 1;
+        }
+        #else
+        #if CYTHON_ASSUME_SAFE_SIZE
+        if (PyUnicode_GET_LENGTH(name_str) == PyUnicode_GET_LENGTH(key))
+        #endif
+        {
+            int cmp = PyUnicode_Compare(name_str, key);
+            if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+            if (cmp == 0) {
+                *index_found = (size_t) (name - argnames);
+                return 1;
+            }
+        }
+        #endif
+        name++;
+    }
+    name = argnames;
+    while (name != first_kw_arg) {
+        PyObject *name_str = **name;
+        #if CYTHON_USE_UNICODE_INTERNALS
+        if (unlikely(key_hash == ((PyASCIIObject*)name_str)->hash)) {
+            if (__Pyx_UnicodeKeywordsEqual(name_str, key))
+                goto arg_passed_twice;
+        }
+        #else
+        #if CYTHON_ASSUME_SAFE_SIZE
+        if (PyUnicode_GET_LENGTH(name_str) == PyUnicode_GET_LENGTH(key))
+        #endif
+        {
+            if (unlikely(name_str == key)) goto arg_passed_twice;
+            int cmp = PyUnicode_Compare(name_str, key);
+            if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+            if (cmp == 0) goto arg_passed_twice;
+        }
+        #endif
+        name++;
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+bad:
+    return -1;
+}
+static int __Pyx_MatchKeywordArg_nostr(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    PyObject ** const *name;
+    if (unlikely(!PyUnicode_Check(key))) goto invalid_keyword_type;
+    name = first_kw_arg;
+    while (*name) {
+        int cmp = PyObject_RichCompareBool(**name, key, Py_EQ);
+        if (cmp == 1) {
+            *index_found = (size_t) (name - argnames);
+            return 1;
+        }
+        if (unlikely(cmp == -1)) goto bad;
+        name++;
+    }
+    name = argnames;
+    while (name != first_kw_arg) {
+        int cmp = PyObject_RichCompareBool(**name, key, Py_EQ);
+        if (unlikely(cmp != 0)) {
+            if (cmp == 1) goto arg_passed_twice;
+            else goto bad;
+        }
+        name++;
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    goto bad;
+bad:
+    return -1;
+}
+static CYTHON_INLINE int __Pyx_MatchKeywordArg(
+    PyObject *key,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    size_t *index_found,
+    const char *function_name)
+{
+    return likely(PyUnicode_CheckExact(key)) ?
+        __Pyx_MatchKeywordArg_str(key, argnames, first_kw_arg, index_found, function_name) :
+        __Pyx_MatchKeywordArg_nostr(key, argnames, first_kw_arg, index_found, function_name);
+}
+static void __Pyx_RejectUnknownKeyword(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject ** const *first_kw_arg,
+    const char *function_name)
+{
+    #if CYTHON_AVOID_BORROWED_REFS
+    PyObject *pos = NULL;
+    #else
+    Py_ssize_t pos = 0;
+    #endif
+    PyObject *key = NULL;
+    __Pyx_BEGIN_CRITICAL_SECTION(kwds);
+    while (
+        #if CYTHON_AVOID_BORROWED_REFS
+        __Pyx_PyDict_NextRef(kwds, &pos, &key, NULL)
+        #else
+        PyDict_Next(kwds, &pos, &key, NULL)
+        #endif
+    ) {
+        PyObject** const *name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (!*name) {
+            size_t index_found = 0;
+            int cmp = __Pyx_MatchKeywordArg(key, argnames, first_kw_arg, &index_found, function_name);
+            if (cmp != 1) {
+                if (cmp == 0) {
+                    PyErr_Format(PyExc_TypeError,
+                        "%s() got an unexpected keyword argument '%U'",
+                        function_name, key);
+                }
+                #if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(key);
+                #endif
+                break;
+            }
+        }
+        #if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(key);
+        #endif
+    }
+    __Pyx_END_CRITICAL_SECTION();
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(pos);
+    #endif
+    assert(PyErr_Occurred());
+}
+static int __Pyx_ParseKeywordDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    PyObject** const *name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    Py_ssize_t extracted = 0;
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+    if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return -1;
+#endif
+    name = first_kw_arg;
+    while (*name && num_kwargs > extracted) {
+        PyObject * key = **name;
+        PyObject *value;
+        int found = 0;
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+        found = PyDict_GetItemRef(kwds, key, &value);
+        #else
+        value = PyDict_GetItemWithError(kwds, key);
+        if (value) {
+            Py_INCREF(value);
+            found = 1;
+        } else {
+            if (unlikely(PyErr_Occurred())) goto bad;
+        }
+        #endif
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+            extracted++;
+        }
+        name++;
+    }
+    if (num_kwargs > extracted) {
+        if (ignore_unknown_kwargs) {
+            if (unlikely(__Pyx_ValidateDuplicatePosArgs(kwds, argnames, first_kw_arg, function_name) == -1))
+                goto bad;
+        } else {
+            __Pyx_RejectUnknownKeyword(kwds, argnames, first_kw_arg, function_name);
+            goto bad;
+        }
+    }
+    return 0;
+bad:
+    return -1;
+}
+static int __Pyx_ParseKeywordDictToDict(
+    PyObject *kwds,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject** const *name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    Py_ssize_t len;
+#if !CYTHON_COMPILING_IN_PYPY || defined(PyArg_ValidateKeywordArguments)
+    if (unlikely(!PyArg_ValidateKeywordArguments(kwds))) return -1;
+#endif
+    if (PyDict_Update(kwds2, kwds) < 0) goto bad;
+    name = first_kw_arg;
+    while (*name) {
+        PyObject *key = **name;
+        PyObject *value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && (PY_VERSION_HEX >= 0x030d00A2 || defined(PyDict_Pop))
+        int found = PyDict_Pop(kwds2, key, &value);
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+        }
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+        int found = PyDict_GetItemRef(kwds2, key, &value);
+        if (found) {
+            if (unlikely(found < 0)) goto bad;
+            values[name-argnames] = value;
+            if (unlikely(PyDict_DelItem(kwds2, key) < 0)) goto bad;
+        }
+#else
+    #if CYTHON_COMPILING_IN_CPYTHON
+        value = _PyDict_Pop(kwds2, key, kwds2);
+    #else
+        value = __Pyx_CallUnboundCMethod2(&__pyx_mstate_global->__pyx_umethod_PyDict_Type_pop, kwds2, key, kwds2);
+    #endif
+        if (value == kwds2) {
+            Py_DECREF(value);
+        } else {
+            if (unlikely(!value)) goto bad;
+            values[name-argnames] = value;
+        }
+#endif
+        name++;
+    }
+    len = PyDict_Size(kwds2);
+    if (len > 0) {
+        return __Pyx_ValidateDuplicatePosArgs(kwds, argnames, first_kw_arg, function_name);
+    } else if (unlikely(len == -1)) {
+        goto bad;
+    }
+    return 0;
+bad:
+    return -1;
+}
+static int __Pyx_ParseKeywordsTuple(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    PyObject *key = NULL;
+    PyObject** const * name;
+    PyObject** const *first_kw_arg = argnames + num_pos_args;
+    for (Py_ssize_t pos = 0; pos < num_kwargs; pos++) {
+#if CYTHON_AVOID_BORROWED_REFS
+        key = __Pyx_PySequence_ITEM(kwds, pos);
+#else
+        key = __Pyx_PyTuple_GET_ITEM(kwds, pos);
+#endif
+#if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(!key)) goto bad;
+#endif
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            PyObject *value = kwvalues[pos];
+            values[name-argnames] = __Pyx_NewRef(value);
+        } else {
+            size_t index_found = 0;
+            int cmp = __Pyx_MatchKeywordArg(key, argnames, first_kw_arg, &index_found, function_name);
+            if (cmp == 1) {
+                PyObject *value = kwvalues[pos];
+                values[index_found] = __Pyx_NewRef(value);
+            } else {
+                if (unlikely(cmp == -1)) goto bad;
+                if (kwds2) {
+                    PyObject *value = kwvalues[pos];
+                    if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+                } else if (!ignore_unknown_kwargs) {
+                    goto invalid_keyword;
+                }
+            }
+        }
+        #if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(key);
+        key = NULL;
+        #endif
+    }
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    goto bad;
+bad:
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(key);
+    #endif
+    return -1;
+}
+
+/* ParseKeywords */
+static int __Pyx_ParseKeywords(
+    PyObject *kwds,
+    PyObject * const *kwvalues,
+    PyObject ** const argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    Py_ssize_t num_kwargs,
+    const char* function_name,
+    int ignore_unknown_kwargs)
+{
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds)))
+        return __Pyx_ParseKeywordsTuple(kwds, kwvalues, argnames, kwds2, values, num_pos_args, num_kwargs, function_name, ignore_unknown_kwargs);
+    else if (kwds2)
+        return __Pyx_ParseKeywordDictToDict(kwds, argnames, kwds2, values, num_pos_args, function_name);
+    else
+        return __Pyx_ParseKeywordDict(kwds, argnames, values, num_pos_args, num_kwargs, function_name, ignore_unknown_kwargs);
+}
+
+/* PyObjectFastCallMethod */
+#if !CYTHON_VECTORCALL || PY_VERSION_HEX < 0x03090000
+static PyObject *__Pyx_PyObject_FastCallMethod(PyObject *name, PyObject *const *args, size_t nargsf) {
+    PyObject *result;
+    PyObject *attr = PyObject_GetAttr(args[0], name);
+    if (unlikely(!attr))
+        return NULL;
+    result = __Pyx_PyObject_FastCall(attr, args+1, nargsf - 1);
+    Py_DECREF(attr);
+    return result;
+}
+#endif
+
+/* CIntToDigits (used by CIntToPyUnicode) */
+static const char DIGIT_PAIRS_10[2*10*10+1] = {
+    "00010203040506070809"
+    "10111213141516171819"
+    "20212223242526272829"
+    "30313233343536373839"
+    "40414243444546474849"
+    "50515253545556575859"
+    "60616263646566676869"
+    "70717273747576777879"
+    "80818283848586878889"
+    "90919293949596979899"
+};
+static const char DIGIT_PAIRS_8[2*8*8+1] = {
+    "0001020304050607"
+    "1011121314151617"
+    "2021222324252627"
+    "3031323334353637"
+    "4041424344454647"
+    "5051525354555657"
+    "6061626364656667"
+    "7071727374757677"
+};
+static const char DIGITS_HEX[2*16+1] = {
+    "0123456789abcdef"
+    "0123456789ABCDEF"
+};
+
+/* BuildPyUnicode (used by COrdinalToPyUnicode) */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, const char* chars, int clength,
+                                                int prepend_sign, char padding_char) {
+    PyObject *uval;
+    Py_ssize_t uoffset = ulength - clength;
+#if CYTHON_USE_UNICODE_INTERNALS
+    Py_ssize_t i;
+    void *udata;
+    uval = PyUnicode_New(ulength, 127);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_DATA(uval);
+    if (uoffset > 0) {
+        i = 0;
+        if (prepend_sign) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-');
+            i++;
+        }
+        for (; i < uoffset; i++) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char);
+        }
+    }
+    for (i=0; i < clength; i++) {
+        __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]);
+    }
+#else
+    {
+        PyObject *sign = NULL, *padding = NULL;
+        uval = NULL;
+        if (uoffset > 0) {
+            prepend_sign = !!prepend_sign;
+            if (uoffset > prepend_sign) {
+                padding = PyUnicode_FromOrdinal(padding_char);
+                if (likely(padding) && uoffset > prepend_sign + 1) {
+                    PyObject *tmp = PySequence_Repeat(padding, uoffset - prepend_sign);
+                    Py_DECREF(padding);
+                    padding = tmp;
+                }
+                if (unlikely(!padding)) goto done_or_error;
+            }
+            if (prepend_sign) {
+                sign = PyUnicode_FromOrdinal('-');
+                if (unlikely(!sign)) goto done_or_error;
+            }
+        }
+        uval = PyUnicode_DecodeASCII(chars, clength, NULL);
+        if (likely(uval) && padding) {
+            PyObject *tmp = PyUnicode_Concat(padding, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+        if (likely(uval) && sign) {
+            PyObject *tmp = PyUnicode_Concat(sign, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+done_or_error:
+        Py_XDECREF(padding);
+        Py_XDECREF(sign);
+    }
+#endif
+    return uval;
+}
+
+/* COrdinalToPyUnicode (used by CIntToPyUnicode) */
+static CYTHON_INLINE int __Pyx_CheckUnicodeValue(int value) {
+    return value <= 1114111;
+}
+static PyObject* __Pyx_PyUnicode_FromOrdinal_Padded(int value, Py_ssize_t ulength, char padding_char) {
+    Py_ssize_t padding_length = ulength - 1;
+    if (likely((padding_length <= 250) && (value < 0xD800 || value > 0xDFFF))) {
+        char chars[256];
+        if (value <= 255) {
+            memset(chars, padding_char, (size_t) padding_length);
+            chars[ulength-1] = (char) value;
+            return PyUnicode_DecodeLatin1(chars, ulength, NULL);
+        }
+        char *cpos = chars + sizeof(chars);
+        if (value < 0x800) {
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0xc0 | (value & 0x1f));
+        } else if (value < 0x10000) {
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0xe0 | (value & 0x0f));
+        } else {
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0x80 | (value & 0x3f));
+            value >>= 6;
+            *--cpos = (char) (0xf0 | (value & 0x07));
+        }
+        cpos -= padding_length;
+        memset(cpos, padding_char, (size_t) padding_length);
+        return PyUnicode_DecodeUTF8(cpos, chars + sizeof(chars) - cpos, NULL);
+    }
+    if (value <= 127 && CYTHON_USE_UNICODE_INTERNALS) {
+        const char chars[1] = {(char) value};
+        return __Pyx_PyUnicode_BuildFromAscii(ulength, chars, 1, 0, padding_char);
+    }
+    {
+        PyObject *uchar, *padding_uchar, *padding, *result;
+        padding_uchar = PyUnicode_FromOrdinal(padding_char);
+        if (unlikely(!padding_uchar)) return NULL;
+        padding = PySequence_Repeat(padding_uchar, padding_length);
+        Py_DECREF(padding_uchar);
+        if (unlikely(!padding)) return NULL;
+        uchar = PyUnicode_FromOrdinal(value);
+        if (unlikely(!uchar)) {
+            Py_DECREF(padding);
+            return NULL;
+        }
+        result = PyUnicode_Concat(padding, uchar);
+        Py_DECREF(padding);
+        Py_DECREF(uchar);
+        return result;
+    }
+}
+
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_uchar___Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (unlikely(!(is_unsigned || value == 0 || value > 0) ||
+                    !(sizeof(value) <= 2 || value & ~ (int) 0x01fffff || __Pyx_CheckUnicodeValue((int) value)))) {
+        PyErr_SetString(PyExc_OverflowError, "%c arg not in range(0x110000)");
+        return NULL;
+    }
+    if (width <= 1) {
+        return PyUnicode_FromOrdinal((int) value);
+    }
+    return __Pyx_PyUnicode_FromOrdinal_Padded((int) value, width, padding_char);
+}
+static CYTHON_INLINE PyObject* __Pyx____Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(int)*3+2];
+    char *dpos, *end = digits + sizeof(int)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    int remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (int) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (int) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (int) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
+
+/* JoinPyUnicode */
+static PyObject* __Pyx_PyUnicode_Join(PyObject** values, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char) {
+#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    PyObject *result_uval;
+    int result_ukind, kind_shift;
+    Py_ssize_t i, char_pos;
+    void *result_udata;
+    if (max_char > 1114111) max_char = 1114111;
+    result_uval = PyUnicode_New(result_ulength, max_char);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND;
+    kind_shift = (result_ukind == PyUnicode_4BYTE_KIND) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_DATA(result_uval);
+    assert(kind_shift == 2 || kind_shift == 1 || kind_shift == 0);
+    if (unlikely((PY_SSIZE_T_MAX >> kind_shift) - result_ulength < 0))
+        goto overflow;
+    char_pos = 0;
+    for (i=0; i < value_count; i++) {
+        int ukind;
+        Py_ssize_t ulength;
+        void *udata;
+        PyObject *uval = values[i];
+        #if !CYTHON_COMPILING_IN_LIMITED_API
+        if (__Pyx_PyUnicode_READY(uval) == (-1))
+            goto bad;
+        #endif
+        ulength = __Pyx_PyUnicode_GET_LENGTH(uval);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(ulength < 0)) goto bad;
+        #endif
+        if (unlikely(!ulength))
+            continue;
+        if (unlikely((PY_SSIZE_T_MAX >> kind_shift) - ulength < char_pos))
+            goto overflow;
+        ukind = __Pyx_PyUnicode_KIND(uval);
+        udata = __Pyx_PyUnicode_DATA(uval);
+        if (ukind == result_ukind) {
+            memcpy((char *)result_udata + (char_pos << kind_shift), udata, (size_t) (ulength << kind_shift));
+        } else {
+            #if PY_VERSION_HEX >= 0x030d0000
+            if (unlikely(PyUnicode_CopyCharacters(result_uval, char_pos, uval, 0, ulength) < 0)) goto bad;
+            #elif CYTHON_COMPILING_IN_CPYTHON || defined(_PyUnicode_FastCopyCharacters)
+            _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength);
+            #else
+            Py_ssize_t j;
+            for (j=0; j < ulength; j++) {
+                Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j);
+                __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar);
+            }
+            #endif
+        }
+        char_pos += ulength;
+    }
+    return result_uval;
+overflow:
+    PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string");
+bad:
+    Py_DECREF(result_uval);
+    return NULL;
+#else
+    Py_ssize_t i;
+    PyObject *result = NULL;
+    PyObject *value_tuple = PyTuple_New(value_count);
+    if (unlikely(!value_tuple)) return NULL;
+    CYTHON_UNUSED_VAR(max_char);
+    CYTHON_UNUSED_VAR(result_ulength);
+    for (i=0; i<value_count; i++) {
+        if (__Pyx_PyTuple_SET_ITEM(value_tuple, i, values[i]) != (0)) goto bad;
+        Py_INCREF(values[i]);
+    }
+    result = PyUnicode_Join(__pyx_mstate_global->__pyx_empty_unicode, value_tuple);
+bad:
+    Py_DECREF(value_tuple);
+    return result;
+#endif
+}
+
+/* pybuiltin_invalid (used by pyint_simplify) */
+static void __Pyx_PyBuiltin_Invalid(PyObject *obj, const char *type_name, const char *argname) {
+    __Pyx_TypeName obj_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(obj));
+    if (argname) {
+        PyErr_Format(PyExc_TypeError,
+            "Argument '%.200s' has incorrect type (expected %.200s, got " __Pyx_FMT_TYPENAME ")",
+            argname, type_name, obj_type_name
+        );
+    } else {
+        PyErr_Format(PyExc_TypeError,
+            "Expected %.200s, got " __Pyx_FMT_TYPENAME,
+            type_name, obj_type_name
+        );
+    }
+    __Pyx_DECREF_TypeName(obj_type_name);
+}
+
+/* pyint_simplify */
+static CYTHON_INLINE int __Pyx_PyInt_FromNumber(PyObject **number_var, const char *argname, int accept_none) {
+    PyObject *number = *number_var;
+    if (likely((accept_none && number == Py_None) || PyLong_CheckExact(number))) {
+        return 0;
+    }
+    PyObject *int_object;
+    if (likely(PyNumber_Check(number))) {
+        int_object = PyNumber_Long(number);
+        if (unlikely(!int_object)) goto bad;
+    } else {
+        __Pyx_PyBuiltin_Invalid(number, "int", argname);
+        goto bad;
+    }
+    *number_var = int_object;
+    Py_DECREF(number);
+    return 0;
+bad:
+    *number_var = NULL;
+    Py_DECREF(number);
+    return -1;
+}
+
+/* ArgTypeTestFunc (used by ArgTypeTest) */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
+{
+    __Pyx_TypeName type_name;
+    __Pyx_TypeName obj_type_name;
+    PyObject *extra_info = __pyx_mstate_global->__pyx_empty_unicode;
+    int from_annotation_subclass = 0;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    else if (!exact) {
+        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
+    } else if (exact == 2) {
+        if (__Pyx_TypeCheck(obj, type)) {
+            from_annotation_subclass = 1;
+            extra_info = __pyx_mstate_global->__pyx_kp_u_Note_that_Cython_is_deliberately;
+        }
+    }
+    type_name = __Pyx_PyType_GetFullyQualifiedName(type);
+    obj_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%.200s' has incorrect type (expected " __Pyx_FMT_TYPENAME
+        ", got " __Pyx_FMT_TYPENAME ")"
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+        "%s%U"
+#endif
+        , name, type_name, obj_type_name
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+        , (from_annotation_subclass ? ". " : ""), extra_info
+#endif
+        );
+#if __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    if (exact == 2 && from_annotation_subclass) {
+        PyObject *res;
+        PyObject *vargs[2];
+        vargs[0] = PyErr_GetRaisedException();
+        vargs[1] = extra_info;
+        res = PyObject_VectorcallMethod(__pyx_mstate_global->__pyx_kp_u_add_note, vargs, 2, NULL);
+        Py_XDECREF(res);
+        PyErr_SetRaisedException(vargs[0]);
+    }
+#endif
+    __Pyx_DECREF_TypeName(type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
+}
+
+/* PyLongCompare */
+static CYTHON_INLINE int __Pyx_PyLong_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace) {
+    CYTHON_MAYBE_UNUSED_VAR(intval);
+    CYTHON_UNUSED_VAR(inplace);
+    if (op1 == op2) {
+        return 1;
+    }
+    #if CYTHON_USE_PYLONG_INTERNALS
+    if (likely(PyLong_CheckExact(op1))) {
+        int unequal;
+        unsigned long uintval;
+        Py_ssize_t size = __Pyx_PyLong_DigitCount(op1);
+        const digit* digits = __Pyx_PyLong_Digits(op1);
+        if (intval == 0) {
+            return (__Pyx_PyLong_IsZero(op1) == 1);
+        } else if (intval < 0) {
+            if (__Pyx_PyLong_IsNonNeg(op1))
+                return 0;
+            intval = -intval;
+        } else {
+            if (__Pyx_PyLong_IsNeg(op1))
+                return 0;
+        }
+        uintval = (unsigned long) intval;
+#if PyLong_SHIFT * 4 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 4)) {
+            unequal = (size != 5) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[4] != ((uintval >> (4 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 3 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 3)) {
+            unequal = (size != 4) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 2 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 2)) {
+            unequal = (size != 3) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+#if PyLong_SHIFT * 1 < SIZEOF_LONG*8
+        if (uintval >> (PyLong_SHIFT * 1)) {
+            unequal = (size != 2) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
+                 | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
+        } else
+#endif
+            unequal = (size != 1) || (((unsigned long) digits[0]) != (uintval & (unsigned long) PyLong_MASK));
+        return (unequal == 0);
+    }
+    #endif
+    if (PyFloat_CheckExact(op1)) {
+        const long b = intval;
+        double a = __Pyx_PyFloat_AS_DOUBLE(op1);
+        return ((double)a == (double)b);
+    }
+    return __Pyx_PyObject_IsTrueAndDecref(
+        PyObject_RichCompare(op1, op2, Py_EQ));
+}
+
+/* PyUnicode_Unicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Unicode(PyObject *obj) {
+    if (unlikely(obj == Py_None))
+        obj = __pyx_mstate_global->__pyx_kp_u_None;
+    return __Pyx_NewRef(obj);
+}
+
+/* AllocateExtensionType */
+static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final) {
+    if (is_final || likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
+        allocfunc alloc_func = __Pyx_PyType_GetSlot(t, tp_alloc, allocfunc);
+        return alloc_func(t, 0);
+    } else {
+        newfunc tp_new = __Pyx_PyType_TryGetSlot(&PyBaseObject_Type, tp_new, newfunc);
+    #if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+        if (!tp_new) {
+            PyObject *new_str = PyUnicode_FromString("__new__");
+            if (likely(new_str)) {
+                PyObject *o = PyObject_CallMethodObjArgs((PyObject *)&PyBaseObject_Type, new_str, t, NULL);
+                Py_DECREF(new_str);
+                return o;
+            } else
+                return NULL;
+        } else
+    #endif
+        return tp_new(t, __pyx_mstate_global->__pyx_empty_tuple, 0);
+    }
+}
+
+/* LimitedApiGetTypeDict (used by SetItemOnTypeDict) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static Py_ssize_t __Pyx_GetTypeDictOffset(void) {
+    PyObject *tp_dictoffset_o;
+    Py_ssize_t tp_dictoffset;
+    tp_dictoffset_o = PyObject_GetAttrString((PyObject*)(&PyType_Type), "__dictoffset__");
+    if (unlikely(!tp_dictoffset_o)) return -1;
+    tp_dictoffset = PyLong_AsSsize_t(tp_dictoffset_o);
+    Py_DECREF(tp_dictoffset_o);
+    if (unlikely(tp_dictoffset == 0)) {
+        PyErr_SetString(
+            PyExc_TypeError,
+            "'type' doesn't have a dictoffset");
+        return -1;
+    } else if (unlikely(tp_dictoffset < 0)) {
+        PyErr_SetString(
+            PyExc_TypeError,
+            "'type' has an unexpected negative dictoffset. "
+            "Please report this as Cython bug");
+        return -1;
+    }
+    return tp_dictoffset;
+}
+static PyObject *__Pyx_GetTypeDict(PyTypeObject *tp) {
+    static Py_ssize_t tp_dictoffset = 0;
+    if (unlikely(tp_dictoffset == 0)) {
+        tp_dictoffset = __Pyx_GetTypeDictOffset();
+        if (unlikely(tp_dictoffset == -1 && PyErr_Occurred())) {
+            tp_dictoffset = 0; // try again next time?
+            return NULL;
+        }
+    }
+    return *(PyObject**)((char*)tp + tp_dictoffset);
+}
+#endif
+
+/* SetItemOnTypeDict (used by FixUpExtensionType) */
+static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v) {
+    int result;
+    PyObject *tp_dict;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    tp_dict = __Pyx_GetTypeDict(tp);
+    if (unlikely(!tp_dict)) return -1;
+#else
+    tp_dict = tp->tp_dict;
+#endif
+    result = PyDict_SetItem(tp_dict, k, v);
+    if (likely(!result)) {
+        PyType_Modified(tp);
+        if (unlikely(PyObject_HasAttr(v, __pyx_mstate_global->__pyx_n_u_set_name))) {
+            PyObject *setNameResult = PyObject_CallMethodObjArgs(v, __pyx_mstate_global->__pyx_n_u_set_name,  (PyObject *) tp, k, NULL);
+            if (!setNameResult) return -1;
+            Py_DECREF(setNameResult);
+        }
+    }
+    return result;
+}
+
+/* FixUpExtensionType */
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type) {
+#if __PYX_LIMITED_VERSION_HEX > 0x030900B1
+    CYTHON_UNUSED_VAR(spec);
+    CYTHON_UNUSED_VAR(type);
+    CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+#else
+    const PyType_Slot *slot = spec->slots;
+    int changed = 0;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    while (slot && slot->slot && slot->slot != Py_tp_members)
+        slot++;
+    if (slot && slot->slot == Py_tp_members) {
+#if !CYTHON_COMPILING_IN_CPYTHON
+        const
+#endif  // !CYTHON_COMPILING_IN_CPYTHON)
+            PyMemberDef *memb = (PyMemberDef*) slot->pfunc;
+        while (memb && memb->name) {
+            if (memb->name[0] == '_' && memb->name[1] == '_') {
+                if (strcmp(memb->name, "__weaklistoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_weaklistoffset = memb->offset;
+                    changed = 1;
+                }
+                else if (strcmp(memb->name, "__dictoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_dictoffset = memb->offset;
+                    changed = 1;
+                }
+#if CYTHON_METH_FASTCALL
+                else if (strcmp(memb->name, "__vectorcalloffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_vectorcall_offset = memb->offset;
+                    changed = 1;
+                }
+#endif  // CYTHON_METH_FASTCALL
+#if !CYTHON_COMPILING_IN_PYPY
+                else if (strcmp(memb->name, "__module__") == 0) {
+                    PyObject *descr;
+                    assert(memb->type == T_OBJECT);
+                    assert(memb->flags == 0 || memb->flags == READONLY);
+                    descr = PyDescr_NewMember(type, memb);
+                    if (unlikely(!descr))
+                        return -1;
+                    int set_item_result = PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr);
+                    Py_DECREF(descr);
+                    if (unlikely(set_item_result < 0)) {
+                        return -1;
+                    }
+                    changed = 1;
+                }
+#endif  // !CYTHON_COMPILING_IN_PYPY
+            }
+            memb++;
+        }
+    }
+#endif  // !CYTHON_COMPILING_IN_LIMITED_API
+#if !CYTHON_COMPILING_IN_PYPY
+    slot = spec->slots;
+    while (slot && slot->slot && slot->slot != Py_tp_getset)
+        slot++;
+    if (slot && slot->slot == Py_tp_getset) {
+        PyGetSetDef *getset = (PyGetSetDef*) slot->pfunc;
+        while (getset && getset->name) {
+            if (getset->name[0] == '_' && getset->name[1] == '_' && strcmp(getset->name, "__module__") == 0) {
+                PyObject *descr = PyDescr_NewGetSet(type, getset);
+                if (unlikely(!descr))
+                    return -1;
+                #if CYTHON_COMPILING_IN_LIMITED_API
+                PyObject *pyname = PyUnicode_FromString(getset->name);
+                if (unlikely(!pyname)) {
+                    Py_DECREF(descr);
+                    return -1;
+                }
+                int set_item_result = __Pyx_SetItemOnTypeDict(type, pyname, descr);
+                Py_DECREF(pyname);
+                #else
+                CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+                int set_item_result = PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr);
+                #endif
+                Py_DECREF(descr);
+                if (unlikely(set_item_result < 0)) {
+                    return -1;
+                }
+                changed = 1;
+            }
+            ++getset;
+        }
+    }
+#else
+    CYTHON_UNUSED_VAR(__Pyx__SetItemOnTypeDict);
+#endif  // !CYTHON_COMPILING_IN_PYPY
+    if (changed)
+        PyType_Modified(type);
+#endif  // PY_VERSION_HEX > 0x030900B1
+    return 0;
+}
+
+/* PyObjectCallNoArg (used by PyObjectCallMethod0) */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
+    PyObject *arg[2] = {NULL, NULL};
+    return __Pyx_PyObject_FastCall(func, arg + 1, 0 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
+/* PyObjectGetMethod (used by PyObjectCallMethod0) */
+#if !(CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000)))
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
+    PyObject *attr;
+#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
+    __Pyx_TypeName type_name;
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyObject *descr;
+    descrgetfunc f = NULL;
+    PyObject **dictptr, *dict;
+    int meth_found = 0;
+    assert (*method == NULL);
+    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
+        attr = __Pyx_PyObject_GetAttrStr(obj, name);
+        goto try_unpack;
+    }
+    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
+        return 0;
+    }
+    descr = _PyType_Lookup(tp, name);
+    if (likely(descr != NULL)) {
+        Py_INCREF(descr);
+#if defined(Py_TPFLAGS_METHOD_DESCRIPTOR) && Py_TPFLAGS_METHOD_DESCRIPTOR
+        if (__Pyx_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
+#else
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type)))
+        #endif
+#endif
+        {
+            meth_found = 1;
+        } else {
+            f = Py_TYPE(descr)->tp_descr_get;
+            if (f != NULL && PyDescr_IsData(descr)) {
+                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+                Py_DECREF(descr);
+                goto try_unpack;
+            }
+        }
+    }
+    dictptr = _PyObject_GetDictPtr(obj);
+    if (dictptr != NULL && (dict = *dictptr) != NULL) {
+        Py_INCREF(dict);
+        attr = __Pyx_PyDict_GetItemStr(dict, name);
+        if (attr != NULL) {
+            Py_INCREF(attr);
+            Py_DECREF(dict);
+            Py_XDECREF(descr);
+            goto try_unpack;
+        }
+        Py_DECREF(dict);
+    }
+    if (meth_found) {
+        *method = descr;
+        return 1;
+    }
+    if (f != NULL) {
+        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+        Py_DECREF(descr);
+        goto try_unpack;
+    }
+    if (likely(descr != NULL)) {
+        *method = descr;
+        return 0;
+    }
+    type_name = __Pyx_PyType_GetFullyQualifiedName(tp);
+    PyErr_Format(PyExc_AttributeError,
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, name);
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+#else
+    attr = __Pyx_PyObject_GetAttrStr(obj, name);
+    goto try_unpack;
+#endif
+try_unpack:
+#if CYTHON_UNPACK_METHODS
+    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
+        PyObject *function = PyMethod_GET_FUNCTION(attr);
+        Py_INCREF(function);
+        Py_DECREF(attr);
+        *method = function;
+        return 1;
+    }
+#endif
+    *method = attr;
+    return 0;
+}
+#endif
+
+/* PyObjectCallMethod0 (used by PyType_Ready) */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
+#if CYTHON_VECTORCALL && (__PYX_LIMITED_VERSION_HEX >= 0x030C0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x03090000))
+    PyObject *args[1] = {obj};
+    (void) __Pyx_PyObject_CallOneArg;
+    (void) __Pyx_PyObject_CallNoArg;
+    return PyObject_VectorcallMethod(method_name, args, 1 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+#else
+    PyObject *method = NULL, *result = NULL;
+    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
+    if (likely(is_method)) {
+        result = __Pyx_PyObject_CallOneArg(method, obj);
+        Py_DECREF(method);
+        return result;
+    }
+    if (unlikely(!method)) goto bad;
+    result = __Pyx_PyObject_CallNoArg(method);
+    Py_DECREF(method);
+bad:
+    return result;
+#endif
+}
+
+/* ValidateBasesTuple (used by PyType_Ready) */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases) {
+    Py_ssize_t i, n;
+#if CYTHON_ASSUME_SAFE_SIZE
+    n = PyTuple_GET_SIZE(bases);
+#else
+    n = PyTuple_Size(bases);
+    if (unlikely(n < 0)) return -1;
+#endif
+    for (i = 1; i < n; i++)
+    {
+        PyTypeObject *b;
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *b0 = PySequence_GetItem(bases, i);
+        if (!b0) return -1;
+#elif CYTHON_ASSUME_SAFE_MACROS
+        PyObject *b0 = PyTuple_GET_ITEM(bases, i);
+#else
+        PyObject *b0 = PyTuple_GetItem(bases, i);
+        if (!b0) return -1;
+#endif
+        b = (PyTypeObject*) b0;
+        if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
+        {
+            __Pyx_TypeName b_name = __Pyx_PyType_GetFullyQualifiedName(b);
+            PyErr_Format(PyExc_TypeError,
+                "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b_name);
+            __Pyx_DECREF_TypeName(b_name);
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
+            return -1;
+        }
+        if (dictoffset == 0)
+        {
+            Py_ssize_t b_dictoffset = 0;
+#if CYTHON_USE_TYPE_SLOTS
+            b_dictoffset = b->tp_dictoffset;
+#else
+            PyObject *py_b_dictoffset = PyObject_GetAttrString((PyObject*)b, "__dictoffset__");
+            if (!py_b_dictoffset) goto dictoffset_return;
+            b_dictoffset = PyLong_AsSsize_t(py_b_dictoffset);
+            Py_DECREF(py_b_dictoffset);
+            if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
+#endif
+            if (b_dictoffset) {
+                {
+                    __Pyx_TypeName b_name = __Pyx_PyType_GetFullyQualifiedName(b);
+                    PyErr_Format(PyExc_TypeError,
+                        "extension type '%.200s' has no __dict__ slot, "
+                        "but base type '" __Pyx_FMT_TYPENAME "' has: "
+                        "either add 'cdef dict __dict__' to the extension type "
+                        "or add '__slots__ = [...]' to the base type",
+                        type_name, b_name);
+                    __Pyx_DECREF_TypeName(b_name);
+                }
+#if !CYTHON_USE_TYPE_SLOTS
+              dictoffset_return:
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(b0);
+#endif
+                return -1;
+            }
+        }
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(b0);
+#endif
+    }
+    return 0;
+}
+#endif
+
+/* PyType_Ready */
+CYTHON_UNUSED static int __Pyx_PyType_HasMultipleInheritance(PyTypeObject *t) {
+    while (t) {
+        PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+        if (bases) {
+            return 1;
+        }
+        t = __Pyx_PyType_GetSlot(t, tp_base, PyTypeObject*);
+    }
+    return 0;
+}
+static int __Pyx_PyType_Ready(PyTypeObject *t) {
+#if CYTHON_USE_TYPE_SPECS || !CYTHON_COMPILING_IN_CPYTHON || defined(PYSTON_MAJOR_VERSION)
+    (void)__Pyx_PyObject_CallMethod0;
+#if CYTHON_USE_TYPE_SPECS
+    (void)__Pyx_validate_bases_tuple;
+#endif
+    return PyType_Ready(t);
+#else
+    int r;
+    if (!__Pyx_PyType_HasMultipleInheritance(t)) {
+        return PyType_Ready(t);
+    }
+    PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+    if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset, bases) == -1))
+        return -1;
+#if !defined(PYSTON_MAJOR_VERSION)
+    {
+        int gc_was_enabled;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        gc_was_enabled = PyGC_Disable();
+        (void)__Pyx_PyObject_CallMethod0;
+    #else
+        PyObject *ret, *py_status;
+        PyObject *gc = NULL;
+        #if (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400) &&\
+                !CYTHON_COMPILING_IN_GRAAL
+        gc = PyImport_GetModule(__pyx_mstate_global->__pyx_kp_u_gc);
+        #endif
+        if (unlikely(!gc)) gc = PyImport_Import(__pyx_mstate_global->__pyx_kp_u_gc);
+        if (unlikely(!gc)) return -1;
+        py_status = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_isenabled);
+        if (unlikely(!py_status)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+        gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
+        Py_DECREF(py_status);
+        if (gc_was_enabled > 0) {
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_disable);
+            if (unlikely(!ret)) {
+                Py_DECREF(gc);
+                return -1;
+            }
+            Py_DECREF(ret);
+        } else if (unlikely(gc_was_enabled == -1)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+    #endif
+        t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
+#if PY_VERSION_HEX >= 0x030A0000
+        t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
+#endif
+#else
+        (void)__Pyx_PyObject_CallMethod0;
+#endif
+    r = PyType_Ready(t);
+#if !defined(PYSTON_MAJOR_VERSION)
+        t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        if (gc_was_enabled)
+            PyGC_Enable();
+    #else
+        if (gc_was_enabled) {
+            PyObject *tp, *v, *tb;
+            PyErr_Fetch(&tp, &v, &tb);
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_mstate_global->__pyx_kp_u_enable);
+            if (likely(ret || r == -1)) {
+                Py_XDECREF(ret);
+                PyErr_Restore(tp, v, tb);
+            } else {
+                Py_XDECREF(tp);
+                Py_XDECREF(v);
+                Py_XDECREF(tb);
+                r = -1;
+            }
+        }
+        Py_DECREF(gc);
+    #endif
+    }
+#endif
+    return r;
+#endif
+}
+
+/* DelItemOnTypeDict (used by SetupReduce) */
+static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k) {
+    int result;
+    PyObject *tp_dict;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    tp_dict = __Pyx_GetTypeDict(tp);
+    if (unlikely(!tp_dict)) return -1;
+#else
+    tp_dict = tp->tp_dict;
+#endif
+    result = PyDict_DelItem(tp_dict, k);
+    if (likely(!result)) PyType_Modified(tp);
+    return result;
+}
+
+/* PyErrExceptionMatches (used by PyObjectGetAttrStrNoError) */
+#if CYTHON_FAST_THREAD_STATE
+static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    n = PyTuple_GET_SIZE(tuple);
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    }
+    for (i=0; i<n; i++) {
+        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
+    int result;
+    PyObject *exc_type;
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *current_exception = tstate->current_exception;
+    if (unlikely(!current_exception)) return 0;
+    exc_type = (PyObject*) Py_TYPE(current_exception);
+    if (exc_type == err) return 1;
+#else
+    exc_type = tstate->curexc_type;
+    if (exc_type == err) return 1;
+    if (unlikely(!exc_type)) return 0;
+#endif
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_INCREF(exc_type);
+    #endif
+    if (unlikely(PyTuple_Check(err))) {
+        result = __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
+    } else {
+        result = __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
+    }
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_DECREF(exc_type);
+    #endif
+    return result;
+}
+#endif
+
+/* PyObjectGetAttrStrNoError (used by SetupReduce) */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d0000
+static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        __Pyx_PyErr_Clear();
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+    PyObject *result;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+    (void) PyObject_GetOptionalAttr(obj, attr_name, &result);
+    return result;
+#else
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
+        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    }
+#endif
+    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
+    if (unlikely(!result)) {
+        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    }
+    return result;
+#endif
+}
+
+/* SetupReduce */
+static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
+  int ret;
+  PyObject *name_attr;
+  name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, __pyx_mstate_global->__pyx_n_u_name);
+  if (likely(name_attr)) {
+      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
+  } else {
+      ret = -1;
+  }
+  if (unlikely(ret < 0)) {
+      PyErr_Clear();
+      ret = 0;
+  }
+  Py_XDECREF(name_attr);
+  return ret;
+}
+static int __Pyx_setup_reduce(PyObject* type_obj) {
+    int ret = 0;
+    PyObject *object_reduce = NULL;
+    PyObject *object_getstate = NULL;
+    PyObject *object_reduce_ex = NULL;
+    PyObject *reduce = NULL;
+    PyObject *reduce_ex = NULL;
+    PyObject *reduce_cython = NULL;
+    PyObject *setstate = NULL;
+    PyObject *setstate_cython = NULL;
+    PyObject *getstate = NULL;
+#if CYTHON_USE_PYTYPE_LOOKUP
+    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_getstate);
+#else
+    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_getstate);
+    if (!getstate && PyErr_Occurred()) {
+        goto __PYX_BAD;
+    }
+#endif
+    if (getstate) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_getstate);
+#else
+        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_getstate);
+        if (!object_getstate && PyErr_Occurred()) {
+            goto __PYX_BAD;
+        }
+#endif
+        if (object_getstate != getstate) {
+            goto __PYX_GOOD;
+        }
+    }
+#if CYTHON_USE_PYTYPE_LOOKUP
+    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#else
+    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#endif
+    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_mstate_global->__pyx_n_u_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
+    if (reduce_ex == object_reduce_ex) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce); if (!object_reduce) goto __PYX_BAD;
+#else
+        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_mstate_global->__pyx_n_u_reduce); if (!object_reduce) goto __PYX_BAD;
+#endif
+        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_mstate_global->__pyx_n_u_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
+        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_mstate_global->__pyx_n_u_reduce_cython)) {
+            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_reduce_cython);
+            if (likely(reduce_cython)) {
+                ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+            } else if (reduce == object_reduce || PyErr_Occurred()) {
+                goto __PYX_BAD;
+            }
+            setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_setstate);
+            if (!setstate) PyErr_Clear();
+            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_mstate_global->__pyx_n_u_setstate_cython)) {
+                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_mstate_global->__pyx_n_u_setstate_cython);
+                if (likely(setstate_cython)) {
+                    ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                    ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, __pyx_mstate_global->__pyx_n_u_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                } else if (!setstate || PyErr_Occurred()) {
+                    goto __PYX_BAD;
+                }
+            }
+            PyType_Modified((PyTypeObject*)type_obj);
+        }
+    }
+    goto __PYX_GOOD;
+__PYX_BAD:
+    if (!PyErr_Occurred()) {
+        __Pyx_TypeName type_obj_name =
+            __Pyx_PyType_GetFullyQualifiedName((PyTypeObject*)type_obj);
+        PyErr_Format(PyExc_RuntimeError,
+            "Unable to initialize pickling for " __Pyx_FMT_TYPENAME, type_obj_name);
+        __Pyx_DECREF_TypeName(type_obj_name);
+    }
+    ret = -1;
+__PYX_GOOD:
+#if !CYTHON_USE_PYTYPE_LOOKUP
+    Py_XDECREF(object_reduce);
+    Py_XDECREF(object_reduce_ex);
+    Py_XDECREF(object_getstate);
+    Py_XDECREF(getstate);
+#endif
+    Py_XDECREF(reduce);
+    Py_XDECREF(reduce_ex);
+    Py_XDECREF(reduce_cython);
+    Py_XDECREF(setstate);
+    Py_XDECREF(setstate_cython);
+    return ret;
+}
+
+/* dict_setdefault (used by FetchCommonType) */
+static CYTHON_INLINE PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value) {
+    PyObject* value;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030F0000 || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d00A4)
+    PyDict_SetDefaultRef(d, key, default_value, &value);
+#elif CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    PyObject *args[] = {d, key, default_value};
+    value = PyObject_VectorcallMethod(__pyx_mstate_global->__pyx_n_u_setdefault, args, 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+#elif CYTHON_COMPILING_IN_LIMITED_API
+    value = PyObject_CallMethodObjArgs(d, __pyx_mstate_global->__pyx_n_u_setdefault, key, default_value, NULL);
+#else
+    value = PyDict_SetDefault(d, key, default_value);
+    if (unlikely(!value)) return NULL;
+    Py_INCREF(value);
+#endif
+    return value;
+}
+
+/* AddModuleRef (used by FetchSharedCythonModule) */
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+  static PyObject *__Pyx_PyImport_AddModuleObjectRef(PyObject *name) {
+      PyObject *module_dict = PyImport_GetModuleDict();
+      PyObject *m;
+      if (PyMapping_GetOptionalItem(module_dict, name, &m) < 0) {
+          return NULL;
+      }
+      if (m != NULL && PyModule_Check(m)) {
+          return m;
+      }
+      Py_XDECREF(m);
+      m = PyModule_NewObject(name);
+      if (m == NULL)
+          return NULL;
+      if (PyDict_CheckExact(module_dict)) {
+          PyObject *new_m;
+          (void)PyDict_SetDefaultRef(module_dict, name, m, &new_m);
+          Py_DECREF(m);
+          return new_m;
+      } else {
+           if (PyObject_SetItem(module_dict, name, m) != 0) {
+                Py_DECREF(m);
+                return NULL;
+            }
+            return m;
+      }
+  }
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *py_name = PyUnicode_FromString(name);
+      if (!py_name) return NULL;
+      PyObject *module = __Pyx_PyImport_AddModuleObjectRef(py_name);
+      Py_DECREF(py_name);
+      return module;
+  }
+#elif __PYX_LIMITED_VERSION_HEX >= 0x030d0000
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#else
+  static PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *module = PyImport_AddModule(name);
+      Py_XINCREF(module);
+      return module;
+  }
+#endif
+
+/* FetchSharedCythonModule (used by FetchCommonType) */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void) {
+    return __Pyx_PyImport_AddModuleRef(__PYX_ABI_MODULE_NAME);
+}
+
+/* FetchCommonType (used by CommonTypesMetaclass) */
+#if __PYX_LIMITED_VERSION_HEX < 0x030C0000
+static PyObject* __Pyx_PyType_FromMetaclass(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *result = __Pyx_PyType_FromModuleAndSpec(module, spec, bases);
+    if (result && metaclass) {
+        PyObject *old_tp = (PyObject*)Py_TYPE(result);
+    Py_INCREF((PyObject*)metaclass);
+#if __PYX_LIMITED_VERSION_HEX >= 0x03090000
+        Py_SET_TYPE(result, metaclass);
+#else
+        result->ob_type = metaclass;
+#endif
+        Py_DECREF(old_tp);
+    }
+    return result;
+}
+#else
+#define __Pyx_PyType_FromMetaclass(me, mo, s, b) PyType_FromMetaclass(me, mo, s, b)
+#endif
+static int __Pyx_VerifyCachedType(PyObject *cached_type,
+                               const char *name,
+                               Py_ssize_t expected_basicsize) {
+    Py_ssize_t basicsize;
+    if (!PyType_Check(cached_type)) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s is not a type object", name);
+        return -1;
+    }
+    if (expected_basicsize == 0) {
+        return 0; // size is inherited, nothing useful to check
+    }
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_basicsize;
+    py_basicsize = PyObject_GetAttrString(cached_type, "__basicsize__");
+    if (unlikely(!py_basicsize)) return -1;
+    basicsize = PyLong_AsSsize_t(py_basicsize);
+    Py_DECREF(py_basicsize);
+    py_basicsize = NULL;
+    if (unlikely(basicsize == (Py_ssize_t)-1) && PyErr_Occurred()) return -1;
+#else
+    basicsize = ((PyTypeObject*) cached_type)->tp_basicsize;
+#endif
+    if (basicsize != expected_basicsize) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s has the wrong size, try recompiling",
+            name);
+        return -1;
+    }
+    return 0;
+}
+static PyTypeObject *__Pyx_FetchCommonTypeFromSpec(PyTypeObject *metaclass, PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *abi_module = NULL, *cached_type = NULL, *abi_module_dict, *new_cached_type, *py_object_name;
+    int get_item_ref_result;
+    const char* object_name = strrchr(spec->name, '.');
+    object_name = object_name ? object_name+1 : spec->name;
+    py_object_name = PyUnicode_FromString(object_name);
+    if (!py_object_name) return NULL;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) goto done;
+    abi_module_dict = PyModule_GetDict(abi_module);
+    if (!abi_module_dict) goto done;
+    get_item_ref_result = __Pyx_PyDict_GetItemRef(abi_module_dict, py_object_name, &cached_type);
+    if (get_item_ref_result == 1) {
+        if (__Pyx_VerifyCachedType(
+              cached_type,
+              object_name,
+              spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    } else if (unlikely(get_item_ref_result == -1)) {
+        goto bad;
+    }
+    cached_type = __Pyx_PyType_FromMetaclass(
+        metaclass,
+        CYTHON_USE_MODULE_STATE ? module : abi_module,
+        spec, bases);
+    if (unlikely(!cached_type)) goto bad;
+    if (unlikely(__Pyx_fix_up_extension_type_from_spec(spec, (PyTypeObject *) cached_type) < 0)) goto bad;
+    new_cached_type = __Pyx_PyDict_SetDefault(abi_module_dict, py_object_name, cached_type);
+    if (unlikely(new_cached_type != cached_type)) {
+        if (unlikely(!new_cached_type)) goto bad;
+        Py_DECREF(cached_type);
+        cached_type = new_cached_type;
+        if (__Pyx_VerifyCachedType(
+                cached_type,
+                object_name,
+                spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    } else {
+        Py_DECREF(new_cached_type);
+    }
+done:
+    Py_XDECREF(abi_module);
+    Py_DECREF(py_object_name);
+    assert(cached_type == NULL || PyType_Check(cached_type));
+    return (PyTypeObject *) cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
+}
+
+/* CommonTypesMetaclass (used by CythonFunctionShared) */
+static PyObject* __pyx_CommonTypesMetaclass_get_module(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED void* context) {
+    return PyUnicode_FromString(__PYX_ABI_MODULE_NAME);
+}
+#if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+static PyObject* __pyx_CommonTypesMetaclass_call(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED PyObject *args, CYTHON_UNUSED PyObject *kwds) {
+    PyErr_SetString(PyExc_TypeError, "Cannot instantiate Cython internal types");
+    return NULL;
+}
+static int __pyx_CommonTypesMetaclass_setattr(CYTHON_UNUSED PyObject *self, CYTHON_UNUSED PyObject *attr, CYTHON_UNUSED PyObject *value) {
+    PyErr_SetString(PyExc_TypeError, "Cython internal types are immutable");
+    return -1;
+}
+#endif
+static PyGetSetDef __pyx_CommonTypesMetaclass_getset[] = {
+    {"__module__", __pyx_CommonTypesMetaclass_get_module, NULL, NULL, NULL},
+    {0, 0, 0, 0, 0}
+};
+static PyType_Slot __pyx_CommonTypesMetaclass_slots[] = {
+    {Py_tp_getset, (void *)__pyx_CommonTypesMetaclass_getset},
+    #if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+    {Py_tp_call, (void*)__pyx_CommonTypesMetaclass_call},
+    {Py_tp_new, (void*)__pyx_CommonTypesMetaclass_call},
+    {Py_tp_setattro, (void*)__pyx_CommonTypesMetaclass_setattr},
+    #endif
+    {0, 0}
+};
+static PyType_Spec __pyx_CommonTypesMetaclass_spec = {
+    __PYX_TYPE_MODULE_PREFIX "_common_types_metatype",
+    0,
+    0,
+    Py_TPFLAGS_IMMUTABLETYPE |
+    Py_TPFLAGS_DISALLOW_INSTANTIATION |
+    Py_TPFLAGS_DEFAULT,
+    __pyx_CommonTypesMetaclass_slots
+};
+static int __pyx_CommonTypesMetaclass_init(PyObject *module) {
+    __pyx_mstatetype *mstate = __Pyx_PyModule_GetState(module);
+    PyObject *bases = PyTuple_Pack(1, &PyType_Type);
+    if (unlikely(!bases)) {
+        return -1;
+    }
+    mstate->__pyx_CommonTypesMetaclassType = __Pyx_FetchCommonTypeFromSpec(NULL, module, &__pyx_CommonTypesMetaclass_spec, bases);
+    Py_DECREF(bases);
+    if (unlikely(mstate->__pyx_CommonTypesMetaclassType == NULL)) {
+        return -1;
+    }
+    return 0;
+}
+
+/* CallTypeTraverse (used by CythonFunctionShared) */
+#if !CYTHON_USE_TYPE_SPECS || (!CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x03090000)
+#else
+static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg) {
+    #if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x03090000
+    if (__Pyx_get_runtime_version() < 0x03090000) return 0;
+    #endif
+    if (!always_call) {
+        PyTypeObject *base = __Pyx_PyObject_GetSlot(o, tp_base, PyTypeObject*);
+        unsigned long flags = PyType_GetFlags(base);
+        if (flags & Py_TPFLAGS_HEAPTYPE) {
+            return 0;
+        }
+    }
+    Py_VISIT((PyObject*)Py_TYPE(o));
+    return 0;
+}
+#endif
+
+/* PyMethodNew (used by CythonFunctionShared) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    #if __PYX_LIMITED_VERSION_HEX >= 0x030C0000
+    {
+        PyObject *args[] = {func, self};
+        result = PyObject_Vectorcall(__pyx_mstate_global->__Pyx_CachedMethodType, args, 2, NULL);
+    }
+    #else
+    result = PyObject_CallFunctionObjArgs(__pyx_mstate_global->__Pyx_CachedMethodType, func, self, NULL);
+    #endif
+    return result;
+}
+#else
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    return PyMethod_New(func, self);
+}
+#endif
+
+/* PyVectorcallFastCallDict (used by CythonFunctionShared) */
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    PyObject *res = NULL;
+    PyObject *kwnames;
+    PyObject **newargs;
+    PyObject **kwvalues;
+    Py_ssize_t i;
+    #if CYTHON_AVOID_BORROWED_REFS
+    PyObject *pos;
+    #else
+    Py_ssize_t pos;
+    #endif
+    size_t j;
+    PyObject *key, *value;
+    unsigned long keys_are_strings;
+    #if !CYTHON_ASSUME_SAFE_SIZE
+    Py_ssize_t nkw = PyDict_Size(kw);
+    if (unlikely(nkw == -1)) return NULL;
+    #else
+    Py_ssize_t nkw = PyDict_GET_SIZE(kw);
+    #endif
+    newargs = (PyObject **)PyMem_Malloc((nargs + (size_t)nkw) * sizeof(args[0]));
+    if (unlikely(newargs == NULL)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    for (j = 0; j < nargs; j++) newargs[j] = args[j];
+    kwnames = PyTuple_New(nkw);
+    if (unlikely(kwnames == NULL)) {
+        PyMem_Free(newargs);
+        return NULL;
+    }
+    kwvalues = newargs + nargs;
+    pos = 0;
+    i = 0;
+    keys_are_strings = Py_TPFLAGS_UNICODE_SUBCLASS;
+    while (__Pyx_PyDict_NextRef(kw, &pos, &key, &value)) {
+        keys_are_strings &=
+        #if CYTHON_COMPILING_IN_LIMITED_API
+            PyType_GetFlags(Py_TYPE(key));
+        #else
+            Py_TYPE(key)->tp_flags;
+        #endif
+        #if !CYTHON_ASSUME_SAFE_MACROS
+        if (unlikely(PyTuple_SetItem(kwnames, i, key) < 0)) goto cleanup;
+        #else
+        PyTuple_SET_ITEM(kwnames, i, key);
+        #endif
+        kwvalues[i] = value;
+        i++;
+    }
+    if (unlikely(!keys_are_strings)) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        goto cleanup;
+    }
+    res = vc(func, newargs, nargs, kwnames);
+cleanup:
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_DECREF(pos);
+    #endif
+    Py_DECREF(kwnames);
+    for (i = 0; i < nkw; i++)
+        Py_DECREF(kwvalues[i]);
+    PyMem_Free(newargs);
+    return res;
+}
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    Py_ssize_t kw_size =
+        likely(kw == NULL) ?
+        0 :
+#if !CYTHON_ASSUME_SAFE_SIZE
+        PyDict_Size(kw);
+#else
+        PyDict_GET_SIZE(kw);
+#endif
+    if (kw_size == 0) {
+        return vc(func, args, nargs, NULL);
+    }
+#if !CYTHON_ASSUME_SAFE_SIZE
+    else if (unlikely(kw_size == -1)) {
+        return NULL;
+    }
+#endif
+    return __Pyx_PyVectorcall_FastCallDict_kw(func, vc, args, nargs, kw);
+}
+#endif
+
+/* CythonFunctionShared (used by CythonFunction) */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunctionNoMethod(PyObject *func, void (*cfunc)(void)) {
+    if (__Pyx_CyFunction_Check(func)) {
+        return PyCFunction_GetFunction(((__pyx_CyFunctionObject*)func)->func) == (PyCFunction) cfunc;
+    } else if (PyCFunction_Check(func)) {
+        return PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void)) {
+    if ((PyObject*)Py_TYPE(func) == __pyx_mstate_global->__Pyx_CachedMethodType) {
+        int result;
+        PyObject *newFunc = PyObject_GetAttr(func, __pyx_mstate_global->__pyx_n_u_func);
+        if (unlikely(!newFunc)) {
+            PyErr_Clear(); // It's only an optimization, so don't throw an error
+            return 0;
+        }
+        result = __Pyx__IsSameCyOrCFunctionNoMethod(newFunc, cfunc);
+        Py_DECREF(newFunc);
+        return result;
+    }
+    return __Pyx__IsSameCyOrCFunctionNoMethod(func, cfunc);
+}
+#else
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void (*cfunc)(void)) {
+    if (PyMethod_Check(func)) {
+        func = PyMethod_GET_FUNCTION(func);
+    }
+    return __Pyx_CyOrPyCFunction_Check(func) && __Pyx_CyOrPyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+}
+#endif
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj) {
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    __Pyx_Py_XDECREF_SET(
+        __Pyx_CyFunction_GetClassObj(f),
+            ((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#else
+    __Pyx_Py_XDECREF_SET(
+        ((PyCMethodObject *) (f))->mm_class,
+        (PyTypeObject*)((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#endif
+}
+static PyObject *
+__Pyx_CyFunction_get_doc_locked(__pyx_CyFunctionObject *op)
+{
+    if (unlikely(op->func_doc == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_doc = PyObject_GetAttrString(op->func, "__doc__");
+        if (unlikely(!op->func_doc)) return NULL;
+#else
+        if (((PyCFunctionObject*)op)->m_ml->ml_doc) {
+            op->func_doc = PyUnicode_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+            if (unlikely(op->func_doc == NULL))
+                return NULL;
+        } else {
+            Py_INCREF(Py_None);
+            return Py_None;
+        }
+#endif
+    }
+    Py_INCREF(op->func_doc);
+    return op->func_doc;
+}
+static PyObject *
+__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, void *closure) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(closure);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_doc_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (value == NULL) {
+        value = Py_None;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_doc, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_name_locked(__pyx_CyFunctionObject *op)
+{
+    if (unlikely(op->func_name == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_name = PyObject_GetAttrString(op->func, "__name__");
+#else
+        op->func_name = PyUnicode_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#endif
+        if (unlikely(op->func_name == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_name);
+    return op->func_name;
+}
+static PyObject *
+__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject *result = NULL;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_name_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_name, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    PyObject *result;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    Py_INCREF(op->func_qualname);
+    result = op->func_qualname;
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_qualname, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+static PyObject *
+__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_dict == NULL)) {
+        op->func_dict = PyDict_New();
+        if (unlikely(op->func_dict == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_dict);
+    return op->func_dict;
+}
+#endif
+static PyObject *
+__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_globals);
+    return op->func_globals;
+}
+static PyObject *
+__Pyx_CyFunction_get_closure(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(op);
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+static PyObject *
+__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject* result = (op->func_code) ? op->func_code : Py_None;
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
+    int result = 0;
+    PyObject *res = op->defaults_getter((PyObject *) op);
+    if (unlikely(!res))
+        return -1;
+    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
+    Py_INCREF(op->defaults_tuple);
+    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
+    Py_INCREF(op->defaults_kwdict);
+    #else
+    op->defaults_tuple = __Pyx_PySequence_ITEM(res, 0);
+    if (unlikely(!op->defaults_tuple)) result = -1;
+    else {
+        op->defaults_kwdict = __Pyx_PySequence_ITEM(res, 1);
+        if (unlikely(!op->defaults_kwdict)) result = -1;
+    }
+    #endif
+    Py_DECREF(res);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyTuple_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__defaults__ must be set to a tuple object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__defaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->defaults_tuple, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->defaults_tuple;
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_tuple;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = NULL;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_defaults_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__kwdefaults__ must be set to a dict object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__kwdefaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->defaults_kwdict, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->defaults_kwdict;
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_kwdict;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_kwdefaults_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static int
+__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value || value == Py_None) {
+        value = NULL;
+    } else if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__annotations__ must be set to a dict object");
+        return -1;
+    }
+    Py_XINCREF(value);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    __Pyx_Py_XDECREF_SET(op->func_annotations, value);
+    __Pyx_END_CRITICAL_SECTION();
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations_locked(__pyx_CyFunctionObject *op) {
+    PyObject* result = op->func_annotations;
+    if (unlikely(!result)) {
+        result = PyDict_New();
+        if (unlikely(!result)) return NULL;
+        op->func_annotations = result;
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, void *context) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(context);
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    result = __Pyx_CyFunction_get_annotations_locked(op);
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine_value(__pyx_CyFunctionObject *op) {
+    int is_coroutine = op->flags & __Pyx_CYFUNCTION_COROUTINE;
+    if (is_coroutine) {
+        PyObject *is_coroutine_value, *module, *fromlist, *marker = __pyx_mstate_global->__pyx_n_u_is_coroutine;
+        fromlist = PyList_New(1);
+        if (unlikely(!fromlist)) return NULL;
+        Py_INCREF(marker);
+#if CYTHON_ASSUME_SAFE_MACROS
+        PyList_SET_ITEM(fromlist, 0, marker);
+#else
+        if (unlikely(PyList_SetItem(fromlist, 0, marker) < 0)) {
+            Py_DECREF(marker);
+            Py_DECREF(fromlist);
+            return NULL;
+        }
+#endif
+        module = PyImport_ImportModuleLevelObject(__pyx_mstate_global->__pyx_n_u_asyncio_coroutines, NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+        if (unlikely(!module)) goto ignore;
+        is_coroutine_value = __Pyx_PyObject_GetAttrStr(module, marker);
+        Py_DECREF(module);
+        if (likely(is_coroutine_value)) {
+            return is_coroutine_value;
+        }
+ignore:
+        PyErr_Clear();
+    }
+    return __Pyx_PyBool_FromLong(is_coroutine);
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine(__pyx_CyFunctionObject *op, void *context) {
+    PyObject *result;
+    CYTHON_UNUSED_VAR(context);
+    if (op->func_is_coroutine) {
+        return __Pyx_NewRef(op->func_is_coroutine);
+    }
+    result = __Pyx_CyFunction_get_is_coroutine_value(op);
+    if (unlikely(!result))
+        return NULL;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    if (op->func_is_coroutine) {
+        Py_DECREF(result);
+        result = __Pyx_NewRef(op->func_is_coroutine);
+    } else {
+        op->func_is_coroutine = __Pyx_NewRef(result);
+    }
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static void __Pyx_CyFunction_raise_argument_count_error(__pyx_CyFunctionObject *func, const char* message, Py_ssize_t size) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_name = __Pyx_CyFunction_get_name(func, NULL);
+    if (!py_name) return;
+    PyErr_Format(PyExc_TypeError,
+        "%.200S() %s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+        py_name, message, size);
+    Py_DECREF(py_name);
+#else
+    const char* name = ((PyCFunctionObject*)func)->m_ml->ml_name;
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() %s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+        name, message, size);
+#endif
+}
+static void __Pyx_CyFunction_raise_type_error(__pyx_CyFunctionObject *func, const char* message) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *py_name = __Pyx_CyFunction_get_name(func, NULL);
+    if (!py_name) return;
+    PyErr_Format(PyExc_TypeError,
+        "%.200S() %s",
+        py_name, message);
+    Py_DECREF(py_name);
+#else
+    const char* name = ((PyCFunctionObject*)func)->m_ml->ml_name;
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() %s",
+        name, message);
+#endif
+}
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *
+__Pyx_CyFunction_get_module(__pyx_CyFunctionObject *op, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_GetAttrString(op->func, "__module__");
+}
+static int
+__Pyx_CyFunction_set_module(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_SetAttrString(op->func, "__module__", value);
+}
+#endif
+static PyGetSetDef __pyx_CyFunction_getsets[] = {
+    {"func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {"__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {"func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {"__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {"__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+    {"func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)PyObject_GenericSetDict, 0, 0},
+    {"__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)PyObject_GenericSetDict, 0, 0},
+#else
+    {"func_dict", (getter)PyObject_GenericGetDict, (setter)PyObject_GenericSetDict, 0, 0},
+    {"__dict__", (getter)PyObject_GenericGetDict, (setter)PyObject_GenericSetDict, 0, 0},
+#endif
+    {"func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {"__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {"func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {"__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {"func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {"__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {"func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {"__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {"__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
+    {"__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
+    {"_is_coroutine", (getter)__Pyx_CyFunction_get_is_coroutine, 0, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", (getter)__Pyx_CyFunction_get_module, (setter)__Pyx_CyFunction_set_module, 0, 0},
+#endif
+    {0, 0, 0, 0, 0}
+};
+static PyMemberDef __pyx_CyFunction_members[] = {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), 0, 0},
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    {"__dictoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_dict), READONLY, 0},
+#endif
+#if CYTHON_METH_FASTCALL
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__vectorcalloffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_vectorcall), READONLY, 0},
+#else
+    {"__vectorcalloffset__", T_PYSSIZET, offsetof(PyCFunctionObject, vectorcall), READONLY, 0},
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__weaklistoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_weakreflist), READONLY, 0},
+#else
+    {"__weaklistoffset__", T_PYSSIZET, offsetof(PyCFunctionObject, m_weakreflist), READONLY, 0},
+#endif
+#endif
+    {0, 0, 0,  0, 0}
+};
+static PyObject *
+__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, PyObject *args)
+{
+    PyObject *result = NULL;
+    CYTHON_UNUSED_VAR(args);
+    __Pyx_BEGIN_CRITICAL_SECTION(m);
+    Py_INCREF(m->func_qualname);
+    result = m->func_qualname;
+    __Pyx_END_CRITICAL_SECTION();
+    return result;
+}
+static PyMethodDef __pyx_CyFunction_methods[] = {
+    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
+    {0, 0, 0, 0}
+};
+#if CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
+#else
+#define __Pyx_CyFunction_weakreflist(cyfunc) (((PyCFunctionObject*)cyfunc)->m_weakreflist)
+#endif
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
+                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunctionObject *cf = (PyCFunctionObject*) op;
+#endif
+    if (unlikely(op == NULL))
+        return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    op->func = PyCFunction_NewEx(ml, (PyObject*)op, module);
+    if (unlikely(!op->func)) return NULL;
+#endif
+    op->flags = flags;
+    __Pyx_CyFunction_weakreflist(op) = NULL;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    cf->m_ml = ml;
+    cf->m_self = (PyObject *) op;
+#endif
+    Py_XINCREF(closure);
+    op->func_closure = closure;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_XINCREF(module);
+    cf->m_module = module;
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_dict = NULL;
+#endif
+    op->func_name = NULL;
+    Py_INCREF(qualname);
+    op->func_qualname = qualname;
+    op->func_doc = NULL;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_classobj = NULL;
+#else
+    ((PyCMethodObject*)op)->mm_class = NULL;
+#endif
+    op->func_globals = globals;
+    Py_INCREF(op->func_globals);
+    Py_XINCREF(code);
+    op->func_code = code;
+    op->defaults = NULL;
+    op->defaults_tuple = NULL;
+    op->defaults_kwdict = NULL;
+    op->defaults_getter = NULL;
+    op->func_annotations = NULL;
+    op->func_is_coroutine = NULL;
+#if CYTHON_METH_FASTCALL
+    switch (ml->ml_flags & (METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)) {
+    case METH_NOARGS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_NOARGS;
+        break;
+    case METH_O:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_O;
+        break;
+    case METH_METHOD | METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD;
+        break;
+    case METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS;
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = NULL;
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        Py_DECREF(op);
+        return NULL;
+    }
+#endif
+    return (PyObject *) op;
+}
+static int
+__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
+{
+    Py_CLEAR(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func);
+#else
+    Py_CLEAR(((PyCFunctionObject*)m)->m_module);
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func_dict);
+#elif PY_VERSION_HEX < 0x030d0000
+    _PyObject_ClearManagedDict((PyObject*)m);
+#else
+    PyObject_ClearManagedDict((PyObject*)m);
+#endif
+    Py_CLEAR(m->func_name);
+    Py_CLEAR(m->func_qualname);
+    Py_CLEAR(m->func_doc);
+    Py_CLEAR(m->func_globals);
+    Py_CLEAR(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+#if PY_VERSION_HEX < 0x030900B1
+    Py_CLEAR(__Pyx_CyFunction_GetClassObj(m));
+#else
+    {
+        PyObject *cls = (PyObject*) ((PyCMethodObject *) (m))->mm_class;
+        ((PyCMethodObject *) (m))->mm_class = NULL;
+        Py_XDECREF(cls);
+    }
+#endif
+#endif
+    Py_CLEAR(m->defaults_tuple);
+    Py_CLEAR(m->defaults_kwdict);
+    Py_CLEAR(m->func_annotations);
+    Py_CLEAR(m->func_is_coroutine);
+    Py_CLEAR(m->defaults);
+    return 0;
+}
+static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    if (__Pyx_CyFunction_weakreflist(m) != NULL)
+        PyObject_ClearWeakRefs((PyObject *) m);
+    __Pyx_CyFunction_clear(m);
+    __Pyx_PyHeapTypeObject_GC_Del(m);
+}
+static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    PyObject_GC_UnTrack(m);
+    __Pyx__CyFunction_dealloc(m);
+}
+static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
+{
+    {
+        int e = __Pyx_call_type_traverse((PyObject*)m, 1, visit, arg);
+        if (e) return e;
+    }
+    Py_VISIT(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func);
+#else
+    Py_VISIT(((PyCFunctionObject*)m)->m_module);
+#endif
+#if PY_VERSION_HEX < 0x030C0000 || CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func_dict);
+#else
+    {
+        int e =
+#if PY_VERSION_HEX < 0x030d0000
+            _PyObject_VisitManagedDict
+#else
+            PyObject_VisitManagedDict
+#endif
+                ((PyObject*)m, visit, arg);
+        if (e != 0) return e;
+    }
+#endif
+    __Pyx_VISIT_CONST(m->func_name);
+    __Pyx_VISIT_CONST(m->func_qualname);
+    Py_VISIT(m->func_doc);
+    Py_VISIT(m->func_globals);
+    __Pyx_VISIT_CONST(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(__Pyx_CyFunction_GetClassObj(m));
+#endif
+    Py_VISIT(m->defaults_tuple);
+    Py_VISIT(m->defaults_kwdict);
+    Py_VISIT(m->func_is_coroutine);
+    Py_VISIT(m->defaults);
+    return 0;
+}
+static PyObject*
+__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
+{
+    PyObject *repr;
+    __Pyx_BEGIN_CRITICAL_SECTION(op);
+    repr = PyUnicode_FromFormat("<cyfunction %U at %p>",
+                                op->func_qualname, (void *)op);
+    __Pyx_END_CRITICAL_SECTION();
+    return repr;
+}
+static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *f = ((__pyx_CyFunctionObject*)func)->func;
+    PyCFunction meth;
+    int flags;
+    meth = PyCFunction_GetFunction(f);
+    if (unlikely(!meth)) return NULL;
+    flags = PyCFunction_GetFlags(f);
+    if (unlikely(flags < 0)) return NULL;
+#else
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = f->m_ml->ml_meth;
+    int flags = f->m_ml->ml_flags;
+#endif
+    Py_ssize_t size;
+    switch (flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0))
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)(void(*)(void))meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_SIZE
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 0))
+                return (*meth)(self, NULL);
+            __Pyx_CyFunction_raise_argument_count_error(
+                (__pyx_CyFunctionObject*)func,
+                "takes no arguments", size);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_SIZE
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 1)) {
+                PyObject *result, *arg0;
+                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+                arg0 = PyTuple_GET_ITEM(arg, 0);
+                #else
+                arg0 = __Pyx_PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
+                #endif
+                result = (*meth)(self, arg0);
+                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+                Py_DECREF(arg0);
+                #endif
+                return result;
+            }
+            __Pyx_CyFunction_raise_argument_count_error(
+                (__pyx_CyFunctionObject*)func,
+                "takes exactly one argument", size);
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        return NULL;
+    }
+    __Pyx_CyFunction_raise_type_error(
+        (__pyx_CyFunctionObject*)func, "takes no keyword arguments");
+    return NULL;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *self, *result;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)func)->func);
+    if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+    self = ((PyCFunctionObject*)func)->m_self;
+#endif
+    result = __Pyx_CyFunction_CallMethod(func, self, arg, kw);
+    return result;
+}
+static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
+    PyObject *result;
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+     __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
+    if (vc) {
+#if CYTHON_ASSUME_SAFE_MACROS && CYTHON_ASSUME_SAFE_SIZE
+        return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
+#else
+        (void) &__Pyx_PyVectorcall_FastCallDict;
+        return PyVectorcall_Call(func, args, kw);
+#endif
+    }
+#endif
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        Py_ssize_t argc;
+        PyObject *new_args;
+        PyObject *self;
+#if CYTHON_ASSUME_SAFE_SIZE
+        argc = PyTuple_GET_SIZE(args);
+#else
+        argc = PyTuple_Size(args);
+        if (unlikely(argc < 0)) return NULL;
+#endif
+        new_args = PyTuple_GetSlice(args, 1, argc);
+        if (unlikely(!new_args))
+            return NULL;
+        self = PyTuple_GetItem(args, 0);
+        if (unlikely(!self)) {
+            Py_DECREF(new_args);
+            PyErr_Format(PyExc_TypeError,
+                         "unbound method %.200S() needs an argument",
+                         cyfunc->func_qualname);
+            return NULL;
+        }
+        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
+        Py_DECREF(new_args);
+    } else {
+        result = __Pyx_CyFunction_Call(func, args, kw);
+    }
+    return result;
+}
+#if CYTHON_METH_FASTCALL && CYTHON_VECTORCALL
+static CYTHON_INLINE int __Pyx_CyFunction_Vectorcall_CheckArgs(__pyx_CyFunctionObject *cyfunc, Py_ssize_t nargs, PyObject *kwnames)
+{
+    int ret = 0;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        if (unlikely(nargs < 1)) {
+            __Pyx_CyFunction_raise_type_error(
+                cyfunc, "needs an argument");
+            return -1;
+        }
+        ret = 1;
+    }
+    if (unlikely(kwnames) && unlikely(__Pyx_PyTuple_GET_SIZE(kwnames))) {
+        __Pyx_CyFunction_raise_type_error(
+            cyfunc, "takes no keyword arguments");
+        return -1;
+    }
+    return ret;
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 0)) {
+        __Pyx_CyFunction_raise_argument_count_error(
+            cyfunc, "takes no arguments", nargs);
+        return NULL;
+    }
+    return meth(self, NULL);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 1)) {
+        __Pyx_CyFunction_raise_argument_count_error(
+            cyfunc, "takes exactly one argument", nargs);
+        return NULL;
+    }
+    return meth(self, args[0]);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))meth)(self, args, nargs, kwnames);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyTypeObject *cls = (PyTypeObject *) __Pyx_CyFunction_GetClassObj(cyfunc);
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+    PyObject *self;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunction meth = PyCFunction_GetFunction(cyfunc->func);
+    if (unlikely(!meth)) return NULL;
+#else
+    PyCFunction meth = ((PyCFunctionObject*)cyfunc)->m_ml->ml_meth;
+#endif
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+#if CYTHON_COMPILING_IN_LIMITED_API
+        self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)cyfunc)->func);
+        if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+#endif
+        break;
+    default:
+        return NULL;
+    }
+    #if PY_VERSION_HEX < 0x030e00A6
+    size_t nargs_value = (size_t) nargs;
+    #else
+    Py_ssize_t nargs_value = nargs;
+    #endif
+    return ((__Pyx_PyCMethod)(void(*)(void))meth)(self, cls, args, nargs_value, kwnames);
+}
+#endif
+static PyType_Slot __pyx_CyFunctionType_slots[] = {
+    {Py_tp_dealloc, (void *)__Pyx_CyFunction_dealloc},
+    {Py_tp_repr, (void *)__Pyx_CyFunction_repr},
+    {Py_tp_call, (void *)__Pyx_CyFunction_CallAsMethod},
+    {Py_tp_traverse, (void *)__Pyx_CyFunction_traverse},
+    {Py_tp_clear, (void *)__Pyx_CyFunction_clear},
+    {Py_tp_methods, (void *)__pyx_CyFunction_methods},
+    {Py_tp_members, (void *)__pyx_CyFunction_members},
+    {Py_tp_getset, (void *)__pyx_CyFunction_getsets},
+    {Py_tp_descr_get, (void *)__Pyx_PyMethod_New},
+    {0, 0},
+};
+static PyType_Spec __pyx_CyFunctionType_spec = {
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if CYTHON_METH_FASTCALL
+#if defined(Py_TPFLAGS_HAVE_VECTORCALL)
+    Py_TPFLAGS_HAVE_VECTORCALL |
+#elif defined(_Py_TPFLAGS_HAVE_VECTORCALL)
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+#endif // CYTHON_METH_FASTCALL
+#if PY_VERSION_HEX >= 0x030C0000 && !CYTHON_COMPILING_IN_LIMITED_API
+    Py_TPFLAGS_MANAGED_DICT |
+#endif
+    Py_TPFLAGS_IMMUTABLETYPE | Py_TPFLAGS_DISALLOW_INSTANTIATION |
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    __pyx_CyFunctionType_slots
+};
+static int __pyx_CyFunction_init(PyObject *module) {
+    __pyx_mstatetype *mstate = __Pyx_PyModule_GetState(module);
+    mstate->__pyx_CyFunctionType = __Pyx_FetchCommonTypeFromSpec(
+        mstate->__pyx_CommonTypesMetaclassType, module, &__pyx_CyFunctionType_spec, NULL);
+    if (unlikely(mstate->__pyx_CyFunctionType == NULL)) {
+        return -1;
+    }
+    return 0;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_InitDefaults(PyObject *func, PyTypeObject *defaults_type) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults = PyObject_CallObject((PyObject*)defaults_type, NULL); // _PyObject_New(defaults_type);
+    if (unlikely(!m->defaults))
+        return NULL;
+    return m->defaults;
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_tuple = tuple;
+    Py_INCREF(tuple);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_kwdict = dict;
+    Py_INCREF(dict);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->func_annotations = dict;
+    Py_INCREF(dict);
+}
+
+/* CythonFunction */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
+                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+    PyObject *op = __Pyx_CyFunction_Init(
+        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_mstate_global->__pyx_CyFunctionType),
+        ml, flags, qualname, closure, module, globals, code
+    );
+    if (likely(op)) {
+        PyObject_GC_Track(op);
+    }
+    return op;
+}
+
+/* PyDictVersioning (used by CLineInTraceback) */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
+    PyObject *dict = Py_TYPE(obj)->tp_dict;
+    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
+    PyObject **dictptr = NULL;
+    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
+    if (offset) {
+#if CYTHON_COMPILING_IN_CPYTHON
+        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
+#else
+        dictptr = _PyObject_GetDictPtr(obj);
+#endif
+    }
+    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
+}
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
+    PyObject *dict = Py_TYPE(obj)->tp_dict;
+    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
+        return 0;
+    return obj_dict_version == __Pyx_get_object_dict_version(obj);
+}
+#endif
+
+/* CLineInTraceback (used by AddTraceback) */
+#if CYTHON_CLINE_IN_TRACEBACK && CYTHON_CLINE_IN_TRACEBACK_RUNTIME
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
+#define __Pyx_PyProbablyModule_GetDict(o) __Pyx_XNewRef(PyModule_GetDict(o))
+#elif !CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+#define __Pyx_PyProbablyModule_GetDict(o) PyObject_GenericGetDict(o, NULL);
+#else
+PyObject* __Pyx_PyProbablyModule_GetDict(PyObject *o) {
+    PyObject **dict_ptr = _PyObject_GetDictPtr(o);
+    return dict_ptr ? __Pyx_XNewRef(*dict_ptr) : NULL;
+}
+#endif
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) {
+    PyObject *use_cline = NULL;
+    PyObject *ptype, *pvalue, *ptraceback;
+    PyObject *cython_runtime_dict;
+    CYTHON_MAYBE_UNUSED_VAR(tstate);
+    if (unlikely(!__pyx_mstate_global->__pyx_cython_runtime)) {
+        return c_line;
+    }
+    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
+    cython_runtime_dict = __Pyx_PyProbablyModule_GetDict(__pyx_mstate_global->__pyx_cython_runtime);
+    if (likely(cython_runtime_dict)) {
+        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
+            use_cline, cython_runtime_dict,
+            __Pyx_PyDict_SetDefault(cython_runtime_dict, __pyx_mstate_global->__pyx_n_u_cline_in_traceback, Py_False))
+    }
+    if (use_cline == NULL || use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
+        c_line = 0;
+    }
+    Py_XDECREF(use_cline);
+    Py_XDECREF(cython_runtime_dict);
+    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
+    return c_line;
+}
+#endif
+
+/* CodeObjectCache (used by AddTraceback) */
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = start + (end - start) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static __Pyx_CachedCodeObjectType *__pyx__find_code_object(struct __Pyx_CodeObjectCache *code_cache, int code_line) {
+    __Pyx_CachedCodeObjectType* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!code_cache->entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(code_cache->entries, code_cache->count, code_line);
+    if (unlikely(pos >= code_cache->count) || unlikely(code_cache->entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = code_cache->entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static __Pyx_CachedCodeObjectType *__pyx_find_code_object(int code_line) {
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && !CYTHON_ATOMICS
+    (void)__pyx__find_code_object;
+    return NULL; // Most implementation should have atomics. But otherwise, don't make it thread-safe, just miss.
+#else
+    struct __Pyx_CodeObjectCache *code_cache = &__pyx_mstate_global->__pyx_code_cache;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_nonatomic_int_type old_count = __pyx_atomic_incr_acq_rel(&code_cache->accessor_count);
+    if (old_count < 0) {
+        __pyx_atomic_decr_acq_rel(&code_cache->accessor_count);
+        return NULL;
+    }
+#endif
+    __Pyx_CachedCodeObjectType *result = __pyx__find_code_object(code_cache, code_line);
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_decr_acq_rel(&code_cache->accessor_count);
+#endif
+    return result;
+#endif
+}
+static void __pyx__insert_code_object(struct __Pyx_CodeObjectCache *code_cache, int code_line, __Pyx_CachedCodeObjectType* code_object)
+{
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = code_cache->entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            code_cache->entries = entries;
+            code_cache->max_count = 64;
+            code_cache->count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(code_cache->entries, code_cache->count, code_line);
+    if ((pos < code_cache->count) && unlikely(code_cache->entries[pos].code_line == code_line)) {
+        __Pyx_CachedCodeObjectType* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_INCREF(code_object);
+        Py_DECREF(tmp);
+        return;
+    }
+    if (code_cache->count == code_cache->max_count) {
+        int new_max = code_cache->max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            code_cache->entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        code_cache->entries = entries;
+        code_cache->max_count = new_max;
+    }
+    for (i=code_cache->count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    code_cache->count++;
+    Py_INCREF(code_object);
+}
+static void __pyx_insert_code_object(int code_line, __Pyx_CachedCodeObjectType* code_object) {
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING && !CYTHON_ATOMICS
+    (void)__pyx__insert_code_object;
+    return; // Most implementation should have atomics. But otherwise, don't make it thread-safe, just fail.
+#else
+    struct __Pyx_CodeObjectCache *code_cache = &__pyx_mstate_global->__pyx_code_cache;
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_nonatomic_int_type expected = 0;
+    if (!__pyx_atomic_int_cmp_exchange(&code_cache->accessor_count, &expected, INT_MIN)) {
+        return;
+    }
+#endif
+    __pyx__insert_code_object(code_cache, code_line, code_object);
+#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
+    __pyx_atomic_sub(&code_cache->accessor_count, INT_MIN);
+#endif
+#endif
+}
+
+/* AddTraceback */
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API && !defined(PYPY_VERSION)
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyCode_Replace_For_AddTraceback(PyObject *code, PyObject *scratch_dict,
+                                                       PyObject *firstlineno, PyObject *name) {
+    PyObject *replace = NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_firstlineno", firstlineno))) return NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_name", name))) return NULL;
+    replace = PyObject_GetAttrString(code, "replace");
+    if (likely(replace)) {
+        PyObject *result = PyObject_Call(replace, __pyx_mstate_global->__pyx_empty_tuple, scratch_dict);
+        Py_DECREF(replace);
+        return result;
+    }
+    PyErr_Clear();
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyObject *code_object = NULL, *py_py_line = NULL, *py_funcname = NULL, *dict = NULL;
+    PyObject *replace = NULL, *getframe = NULL, *frame = NULL;
+    PyObject *exc_type, *exc_value, *exc_traceback;
+    int success = 0;
+    if (c_line) {
+        c_line = __Pyx_CLineForTraceback(__Pyx_PyThreadState_Current, c_line);
+    }
+    PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
+    code_object = __pyx_find_code_object(c_line ? -c_line : py_line);
+    if (!code_object) {
+        code_object = Py_CompileString("_getframe()", filename, Py_eval_input);
+        if (unlikely(!code_object)) goto bad;
+        py_py_line = PyLong_FromLong(py_line);
+        if (unlikely(!py_py_line)) goto bad;
+        if (c_line) {
+            py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        } else {
+            py_funcname = PyUnicode_FromString(funcname);
+        }
+        if (unlikely(!py_funcname)) goto bad;
+        dict = PyDict_New();
+        if (unlikely(!dict)) goto bad;
+        {
+            PyObject *old_code_object = code_object;
+            code_object = __Pyx_PyCode_Replace_For_AddTraceback(code_object, dict, py_py_line, py_funcname);
+            Py_DECREF(old_code_object);
+        }
+        if (unlikely(!code_object)) goto bad;
+        __pyx_insert_code_object(c_line ? -c_line : py_line, code_object);
+    } else {
+        dict = PyDict_New();
+    }
+    getframe = PySys_GetObject("_getframe");
+    if (unlikely(!getframe)) goto bad;
+    if (unlikely(PyDict_SetItemString(dict, "_getframe", getframe))) goto bad;
+    frame = PyEval_EvalCode(code_object, dict, dict);
+    if (unlikely(!frame) || frame == Py_None) goto bad;
+    success = 1;
+  bad:
+    PyErr_Restore(exc_type, exc_value, exc_traceback);
+    Py_XDECREF(code_object);
+    Py_XDECREF(py_py_line);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(dict);
+    Py_XDECREF(replace);
+    if (success) {
+        PyTraceBack_Here(
+            (struct _frame*)frame);
+    }
+    Py_XDECREF(frame);
+}
+#else
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = NULL;
+    PyObject *py_funcname = NULL;
+    if (c_line) {
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
+        funcname = PyUnicode_AsUTF8(py_funcname);
+        if (!funcname) goto bad;
+    }
+    py_code = PyCode_NewEmpty(filename, funcname, py_line);
+    Py_XDECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyFrameObject *py_frame = 0;
+    PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject *ptype, *pvalue, *ptraceback;
+    if (c_line) {
+        c_line = __Pyx_CLineForTraceback(tstate, c_line);
+    }
+    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
+    if (!py_code) {
+        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) {
+            /* If the code object creation fails, then we should clear the
+               fetched exception references and propagate the new exception */
+            Py_XDECREF(ptype);
+            Py_XDECREF(pvalue);
+            Py_XDECREF(ptraceback);
+            goto bad;
+        }
+        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
+        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
+    }
+    py_frame = PyFrame_New(
+        tstate,            /*PyThreadState *tstate,*/
+        py_code,           /*PyCodeObject *code,*/
+        __pyx_mstate_global->__pyx_d,    /*PyObject *globals,*/
+        0                  /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+#endif
+
+/* CIntFromPyVerify */
+#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
+#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
+#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
+    {\
+        func_type value = func_value;\
+        if (sizeof(target_type) < sizeof(func_type)) {\
+            if (unlikely(value != (func_type) (target_type) value)) {\
+                func_type zero = 0;\
+                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
+                    return (target_type) -1;\
+                if (is_unsigned && unlikely(value < zero))\
+                    goto raise_neg_overflow;\
+                else\
+                    goto raise_overflow;\
+            }\
+        }\
+        return (target_type) value;\
+    }
+
+/* PyObjectVectorCallKwBuilder (used by CIntToPy) */
+#if CYTHON_VECTORCALL
+static int __Pyx_VectorcallBuilder_AddArg(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    (void)__Pyx_PyObject_FastCallDict;
+    if (__Pyx_PyTuple_SET_ITEM(builder, n, key) != (0)) return -1;
+    Py_INCREF(key);
+    args[n] = value;
+    return 0;
+}
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    (void)__Pyx_VectorcallBuilder_AddArgStr;
+    if (unlikely(!PyUnicode_Check(key))) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        return -1;
+    }
+    return __Pyx_VectorcallBuilder_AddArg(key, value, builder, args, n);
+}
+static int __Pyx_VectorcallBuilder_AddArgStr(const char *key, PyObject *value, PyObject *builder, PyObject **args, int n) {
+    PyObject *pyKey = PyUnicode_FromString(key);
+    if (!pyKey) return -1;
+    return __Pyx_VectorcallBuilder_AddArg(pyKey, value, builder, args, n);
+}
+#else // CYTHON_VECTORCALL
+CYTHON_UNUSED static int __Pyx_VectorcallBuilder_AddArg_Check(PyObject *key, PyObject *value, PyObject *builder, CYTHON_UNUSED PyObject **args, CYTHON_UNUSED int n) {
+    if (unlikely(!PyUnicode_Check(key))) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        return -1;
+    }
+    return PyDict_SetItem(builder, key, value);
+}
+#endif
+
+/* CIntToPy */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_int(int value) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(int) < sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+#if !CYTHON_COMPILING_IN_PYPY
+        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
+            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
+        }
+    } else {
+        if (sizeof(int) <= sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
+            return PyLong_FromLongLong((PY_LONG_LONG) value);
+        }
+    }
+    {
+        unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d00A4
+        if (is_unsigned) {
+            return PyLong_FromUnsignedNativeBytes(bytes, sizeof(value), -1);
+        } else {
+            return PyLong_FromNativeBytes(bytes, sizeof(value), -1);
+        }
+#elif !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        return _PyLong_FromByteArray(bytes, sizeof(int),
+                                     little, !is_unsigned);
+#else
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        PyObject *from_bytes, *result = NULL, *kwds = NULL;
+        PyObject *py_bytes = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(int));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        {
+            PyObject *args[3+(CYTHON_VECTORCALL ? 1 : 0)] = { NULL, py_bytes, order_str };
+            if (!is_unsigned) {
+                kwds = __Pyx_MakeVectorcallBuilderKwds(1);
+                if (!kwds) goto limited_bad;
+                if (__Pyx_VectorcallBuilder_AddArgStr("signed", __Pyx_NewRef(Py_True), kwds, args+3, 0) < 0) goto limited_bad;
+            }
+            result = __Pyx_Object_Vectorcall_CallFromBuilder(from_bytes, args+1, 2 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET, kwds);
+        }
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
+    }
+}
+
+/* CIntFromPy */
+static CYTHON_INLINE int __Pyx_PyLong_As_int(PyObject *x) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (unlikely(!PyLong_Check(x))) {
+        int val;
+        PyObject *tmp = __Pyx_PyNumber_Long(x);
+        if (!tmp) return (int) -1;
+        val = __Pyx_PyLong_As_int(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+    if (is_unsigned) {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+            goto raise_neg_overflow;
+        } else if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_DigitCount(x)) {
+                case 2:
+                    if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 2 * PyLong_SHIFT)) {
+                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 3 * PyLong_SHIFT)) {
+                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) >= 4 * PyLong_SHIFT)) {
+                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
+        if (unlikely(Py_SIZE(x) < 0)) {
+            goto raise_neg_overflow;
+        }
+#else
+        {
+            int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+            if (unlikely(result < 0))
+                return (int) -1;
+            if (unlikely(result == 1))
+                goto raise_neg_overflow;
+        }
+#endif
+        if ((sizeof(int) <= sizeof(unsigned long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
+        } else if ((sizeof(int) <= sizeof(unsigned PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+        }
+    } else {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                case -2:
+                    if ((8 * sizeof(int) - 1 > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 2:
+                    if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case -3:
+                    if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case -4:
+                    if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+        if ((sizeof(int) <= sizeof(long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
+        } else if ((sizeof(int) <= sizeof(PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
+        }
+    }
+    {
+        int val;
+        int ret = -1;
+#if PY_VERSION_HEX >= 0x030d00A6 && !CYTHON_COMPILING_IN_LIMITED_API
+        Py_ssize_t bytes_copied = PyLong_AsNativeBytes(
+            x, &val, sizeof(val), Py_ASNATIVEBYTES_NATIVE_ENDIAN | (is_unsigned ? Py_ASNATIVEBYTES_UNSIGNED_BUFFER | Py_ASNATIVEBYTES_REJECT_NEGATIVE : 0));
+        if (unlikely(bytes_copied == -1)) {
+        } else if (unlikely(bytes_copied > (Py_ssize_t) sizeof(val))) {
+            goto raise_overflow;
+        } else {
+            ret = 0;
+        }
+#elif PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
+        int one = 1; int is_little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&val;
+        ret = _PyLong_AsByteArray((PyLongObject *)x,
+                                    bytes, sizeof(val),
+                                    is_little, !is_unsigned);
+#else
+        PyObject *v;
+        PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+        int bits, remaining_bits, is_negative = 0;
+        int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+        if (likely(PyLong_CheckExact(x))) {
+            v = __Pyx_NewRef(x);
+        } else {
+            v = PyNumber_Long(x);
+            if (unlikely(!v)) return (int) -1;
+            assert(PyLong_CheckExact(v));
+        }
+        {
+            int result = PyObject_RichCompareBool(v, Py_False, Py_LT);
+            if (unlikely(result < 0)) {
+                Py_DECREF(v);
+                return (int) -1;
+            }
+            is_negative = result == 1;
+        }
+        if (is_unsigned && unlikely(is_negative)) {
+            Py_DECREF(v);
+            goto raise_neg_overflow;
+        } else if (is_negative) {
+            stepval = PyNumber_Invert(v);
+            Py_DECREF(v);
+            if (unlikely(!stepval))
+                return (int) -1;
+        } else {
+            stepval = v;
+        }
+        v = NULL;
+        val = (int) 0;
+        mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+        shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+        for (bits = 0; bits < (int) sizeof(int) * 8 - chunk_size; bits += chunk_size) {
+            PyObject *tmp, *digit;
+            long idigit;
+            digit = PyNumber_And(stepval, mask);
+            if (unlikely(!digit)) goto done;
+            idigit = PyLong_AsLong(digit);
+            Py_DECREF(digit);
+            if (unlikely(idigit < 0)) goto done;
+            val |= ((int) idigit) << bits;
+            tmp = PyNumber_Rshift(stepval, shift);
+            if (unlikely(!tmp)) goto done;
+            Py_DECREF(stepval); stepval = tmp;
+        }
+        Py_DECREF(shift); shift = NULL;
+        Py_DECREF(mask); mask = NULL;
+        {
+            long idigit = PyLong_AsLong(stepval);
+            if (unlikely(idigit < 0)) goto done;
+            remaining_bits = ((int) sizeof(int) * 8) - bits - (is_unsigned ? 0 : 1);
+            if (unlikely(idigit >= (1L << remaining_bits)))
+                goto raise_overflow;
+            val |= ((int) idigit) << bits;
+        }
+        if (!is_unsigned) {
+            if (unlikely(val & (((int) 1) << (sizeof(int) * 8 - 1))))
+                goto raise_overflow;
+            if (is_negative)
+                val = ~val;
+        }
+        ret = 0;
+    done:
+        Py_XDECREF(shift);
+        Py_XDECREF(mask);
+        Py_XDECREF(stepval);
+#endif
+        if (unlikely(ret))
+            return (int) -1;
+        return val;
+    }
+raise_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "value too large to convert to int");
+    return (int) -1;
+raise_neg_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "can't convert negative value to int");
+    return (int) -1;
+}
+
+/* FormatTypeName */
+#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030d0000
+static __Pyx_TypeName
+__Pyx_PyType_GetFullyQualifiedName(PyTypeObject* tp)
+{
+    PyObject *module = NULL, *name = NULL, *result = NULL;
+    #if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+    name = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_mstate_global->__pyx_n_u_qualname);
+    #else
+    name = PyType_GetQualName(tp);
+    #endif
+    if (unlikely(name == NULL) || unlikely(!PyUnicode_Check(name))) goto bad;
+    module = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_mstate_global->__pyx_n_u_module);
+    if (unlikely(module == NULL) || unlikely(!PyUnicode_Check(module))) goto bad;
+    if (PyUnicode_CompareWithASCIIString(module, "builtins") == 0) {
+        result = name;
+        name = NULL;
+        goto done;
+    }
+    result = PyUnicode_FromFormat("%U.%U", module, name);
+    if (unlikely(result == NULL)) goto bad;
+  done:
+    Py_XDECREF(name);
+    Py_XDECREF(module);
+    return result;
+  bad:
+    PyErr_Clear();
+    if (name) {
+        result = name;
+        name = NULL;
+    } else {
+        result = __Pyx_NewRef(__pyx_mstate_global->__pyx_kp_u__5);
+    }
+    goto done;
+}
+#endif
+
+/* CIntToPy */
+static CYTHON_INLINE PyObject* __Pyx_PyLong_From_long(long value) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const long neg_one = (long) -1, const_zero = (long) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(long) < sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+#if !CYTHON_COMPILING_IN_PYPY
+        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
+            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
+        }
+    } else {
+        if (sizeof(long) <= sizeof(long)) {
+            return PyLong_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
+            return PyLong_FromLongLong((PY_LONG_LONG) value);
+        }
+    }
+    {
+        unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d00A4
+        if (is_unsigned) {
+            return PyLong_FromUnsignedNativeBytes(bytes, sizeof(value), -1);
+        } else {
+            return PyLong_FromNativeBytes(bytes, sizeof(value), -1);
+        }
+#elif !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        return _PyLong_FromByteArray(bytes, sizeof(long),
+                                     little, !is_unsigned);
+#else
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        PyObject *from_bytes, *result = NULL, *kwds = NULL;
+        PyObject *py_bytes = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(long));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        {
+            PyObject *args[3+(CYTHON_VECTORCALL ? 1 : 0)] = { NULL, py_bytes, order_str };
+            if (!is_unsigned) {
+                kwds = __Pyx_MakeVectorcallBuilderKwds(1);
+                if (!kwds) goto limited_bad;
+                if (__Pyx_VectorcallBuilder_AddArgStr("signed", __Pyx_NewRef(Py_True), kwds, args+3, 0) < 0) goto limited_bad;
+            }
+            result = __Pyx_Object_Vectorcall_CallFromBuilder(from_bytes, args+1, 2 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET, kwds);
+        }
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
+    }
+}
+
+/* CIntFromPy */
+static CYTHON_INLINE long __Pyx_PyLong_As_long(PyObject *x) {
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const long neg_one = (long) -1, const_zero = (long) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (unlikely(!PyLong_Check(x))) {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Long(x);
+        if (!tmp) return (long) -1;
+        val = __Pyx_PyLong_As_long(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+    if (is_unsigned) {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+            goto raise_neg_overflow;
+        } else if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_DigitCount(x)) {
+                case 2:
+                    if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 2 * PyLong_SHIFT)) {
+                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 3 * PyLong_SHIFT)) {
+                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) >= 4 * PyLong_SHIFT)) {
+                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
+        if (unlikely(Py_SIZE(x) < 0)) {
+            goto raise_neg_overflow;
+        }
+#else
+        {
+            int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+            if (unlikely(result < 0))
+                return (long) -1;
+            if (unlikely(result == 1))
+                goto raise_neg_overflow;
+        }
+#endif
+        if ((sizeof(long) <= sizeof(unsigned long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
+        } else if ((sizeof(long) <= sizeof(unsigned PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+        }
+    } else {
+#if CYTHON_USE_PYLONG_INTERNALS
+        if (__Pyx_PyLong_IsCompact(x)) {
+            __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+        } else {
+            const digit* digits = __Pyx_PyLong_Digits(x);
+            assert(__Pyx_PyLong_DigitCount(x) > 1);
+            switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                case -2:
+                    if ((8 * sizeof(long) - 1 > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 2:
+                    if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case -3:
+                    if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 3:
+                    if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case -4:
+                    if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+                case 4:
+                    if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                        if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                        } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        }
+                    }
+                    break;
+            }
+        }
+#endif
+        if ((sizeof(long) <= sizeof(long))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
+        } else if ((sizeof(long) <= sizeof(PY_LONG_LONG))) {
+            __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
+        }
+    }
+    {
+        long val;
+        int ret = -1;
+#if PY_VERSION_HEX >= 0x030d00A6 && !CYTHON_COMPILING_IN_LIMITED_API
+        Py_ssize_t bytes_copied = PyLong_AsNativeBytes(
+            x, &val, sizeof(val), Py_ASNATIVEBYTES_NATIVE_ENDIAN | (is_unsigned ? Py_ASNATIVEBYTES_UNSIGNED_BUFFER | Py_ASNATIVEBYTES_REJECT_NEGATIVE : 0));
+        if (unlikely(bytes_copied == -1)) {
+        } else if (unlikely(bytes_copied > (Py_ssize_t) sizeof(val))) {
+            goto raise_overflow;
+        } else {
+            ret = 0;
+        }
+#elif PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
+        int one = 1; int is_little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&val;
+        ret = _PyLong_AsByteArray((PyLongObject *)x,
+                                    bytes, sizeof(val),
+                                    is_little, !is_unsigned);
+#else
+        PyObject *v;
+        PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+        int bits, remaining_bits, is_negative = 0;
+        int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+        if (likely(PyLong_CheckExact(x))) {
+            v = __Pyx_NewRef(x);
+        } else {
+            v = PyNumber_Long(x);
+            if (unlikely(!v)) return (long) -1;
+            assert(PyLong_CheckExact(v));
+        }
+        {
+            int result = PyObject_RichCompareBool(v, Py_False, Py_LT);
+            if (unlikely(result < 0)) {
+                Py_DECREF(v);
+                return (long) -1;
+            }
+            is_negative = result == 1;
+        }
+        if (is_unsigned && unlikely(is_negative)) {
+            Py_DECREF(v);
+            goto raise_neg_overflow;
+        } else if (is_negative) {
+            stepval = PyNumber_Invert(v);
+            Py_DECREF(v);
+            if (unlikely(!stepval))
+                return (long) -1;
+        } else {
+            stepval = v;
+        }
+        v = NULL;
+        val = (long) 0;
+        mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+        shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+        for (bits = 0; bits < (int) sizeof(long) * 8 - chunk_size; bits += chunk_size) {
+            PyObject *tmp, *digit;
+            long idigit;
+            digit = PyNumber_And(stepval, mask);
+            if (unlikely(!digit)) goto done;
+            idigit = PyLong_AsLong(digit);
+            Py_DECREF(digit);
+            if (unlikely(idigit < 0)) goto done;
+            val |= ((long) idigit) << bits;
+            tmp = PyNumber_Rshift(stepval, shift);
+            if (unlikely(!tmp)) goto done;
+            Py_DECREF(stepval); stepval = tmp;
+        }
+        Py_DECREF(shift); shift = NULL;
+        Py_DECREF(mask); mask = NULL;
+        {
+            long idigit = PyLong_AsLong(stepval);
+            if (unlikely(idigit < 0)) goto done;
+            remaining_bits = ((int) sizeof(long) * 8) - bits - (is_unsigned ? 0 : 1);
+            if (unlikely(idigit >= (1L << remaining_bits)))
+                goto raise_overflow;
+            val |= ((long) idigit) << bits;
+        }
+        if (!is_unsigned) {
+            if (unlikely(val & (((long) 1) << (sizeof(long) * 8 - 1))))
+                goto raise_overflow;
+            if (is_negative)
+                val = ~val;
+        }
+        ret = 0;
+    done:
+        Py_XDECREF(shift);
+        Py_XDECREF(mask);
+        Py_XDECREF(stepval);
+#endif
+        if (unlikely(ret))
+            return (long) -1;
+        return val;
+    }
+raise_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "value too large to convert to long");
+    return (long) -1;
+raise_neg_overflow:
+    PyErr_SetString(PyExc_OverflowError,
+        "can't convert negative value to long");
+    return (long) -1;
+}
+
+/* FastTypeChecks */
+#if CYTHON_COMPILING_IN_CPYTHON
+static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
+    while (a) {
+        a = __Pyx_PyType_GetSlot(a, tp_base, PyTypeObject*);
+        if (a == b)
+            return 1;
+    }
+    return b == &PyBaseObject_Type;
+}
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (a == b) return 1;
+    mro = a->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(a, b);
+}
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (cls == a || cls == b) return 1;
+    mro = cls->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            PyObject *base = PyTuple_GET_ITEM(mro, i);
+            if (base == (PyObject *)a || base == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(cls, a) || __Pyx_InBases(cls, b);
+}
+static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
+    if (exc_type1) {
+        return __Pyx_IsAnySubtype2((PyTypeObject*)err, (PyTypeObject*)exc_type1, (PyTypeObject*)exc_type2);
+    } else {
+        return __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+    }
+}
+static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    assert(PyExceptionClass_Check(exc_type));
+    n = PyTuple_GET_SIZE(tuple);
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    }
+    for (i=0; i<n; i++) {
+        PyObject *t = PyTuple_GET_ITEM(tuple, i);
+        if (likely(PyExceptionClass_Check(t))) {
+            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
+        } else {
+        }
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
+    if (likely(err == exc_type)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        if (likely(PyExceptionClass_Check(exc_type))) {
+            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
+        } else if (likely(PyTuple_Check(exc_type))) {
+            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
+        } else {
+        }
+    }
+    return PyErr_GivenExceptionMatches(err, exc_type);
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
+    assert(PyExceptionClass_Check(exc_type1));
+    assert(PyExceptionClass_Check(exc_type2));
+    if (likely(err == exc_type1 || err == exc_type2)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+    }
+    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
+}
+#endif
+
+/* GetRuntimeVersion */
+#if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+void __Pyx_init_runtime_version(void) {
+    if (__Pyx_cached_runtime_version == 0) {
+        const char* rt_version = Py_GetVersion();
+        unsigned long version = 0;
+        unsigned long factor = 0x01000000UL;
+        unsigned int digit = 0;
+        int i = 0;
+        while (factor) {
+            while ('0' <= rt_version[i] && rt_version[i] <= '9') {
+                digit = digit * 10 + (unsigned int) (rt_version[i] - '0');
+                ++i;
+            }
+            version += factor * digit;
+            if (rt_version[i] != '.')
+                break;
+            digit = 0;
+            factor >>= 8;
+            ++i;
+        }
+        __Pyx_cached_runtime_version = version;
+    }
+}
+#endif
+static unsigned long __Pyx_get_runtime_version(void) {
+#if __PYX_LIMITED_VERSION_HEX >= 0x030b0000
+    return Py_Version & ~0xFFUL;
+#else
+    return __Pyx_cached_runtime_version;
+#endif
+}
+
+/* CheckBinaryVersion */
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer) {
+    const unsigned long MAJOR_MINOR = 0xFFFF0000UL;
+    if ((rt_version & MAJOR_MINOR) == (ct_version & MAJOR_MINOR))
+        return 0;
+    if (likely(allow_newer && (rt_version & MAJOR_MINOR) > (ct_version & MAJOR_MINOR)))
+        return 1;
+    {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compile time Python version %d.%d "
+                      "of module '%.100s' "
+                      "%s "
+                      "runtime version %d.%d",
+                       (int) (ct_version >> 24), (int) ((ct_version >> 16) & 0xFF),
+                       __Pyx_MODULE_NAME,
+                       (allow_newer) ? "was newer than" : "does not match",
+                       (int) (rt_version >> 24), (int) ((rt_version >> 16) & 0xFF)
+       );
+        return PyErr_WarnEx(NULL, message, 1);
+    }
+}
+
+/* NewCodeObj */
+#if CYTHON_COMPILING_IN_LIMITED_API
+    static PyObject* __Pyx__PyCode_New(int a, int p, int k, int l, int s, int f,
+                                       PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                       PyObject *fv, PyObject *cell, PyObject* fn,
+                                       PyObject *name, int fline, PyObject *lnos) {
+        PyObject *exception_table = NULL;
+        PyObject *types_module=NULL, *code_type=NULL, *result=NULL;
+        #if __PYX_LIMITED_VERSION_HEX < 0x030b0000
+        PyObject *version_info;
+        PyObject *py_minor_version = NULL;
+        #endif
+        long minor_version = 0;
+        PyObject *type, *value, *traceback;
+        PyErr_Fetch(&type, &value, &traceback);
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030b0000
+        minor_version = 11;
+        #else
+        if (!(version_info = PySys_GetObject("version_info"))) goto end;
+        if (!(py_minor_version = PySequence_GetItem(version_info, 1))) goto end;
+        minor_version = PyLong_AsLong(py_minor_version);
+        Py_DECREF(py_minor_version);
+        if (minor_version == -1 && PyErr_Occurred()) goto end;
+        #endif
+        if (!(types_module = PyImport_ImportModule("types"))) goto end;
+        if (!(code_type = PyObject_GetAttrString(types_module, "CodeType"))) goto end;
+        if (minor_version <= 7) {
+            (void)p;
+            result = PyObject_CallFunction(code_type, "iiiiiOOOOOOiOOO", a, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else if (minor_version <= 10) {
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOiOOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else {
+            if (!(exception_table = PyBytes_FromStringAndSize(NULL, 0))) goto end;
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOOiOOOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, name, fline, lnos, exception_table, fv, cell);
+        }
+    end:
+        Py_XDECREF(code_type);
+        Py_XDECREF(exception_table);
+        Py_XDECREF(types_module);
+        if (type) {
+            PyErr_Restore(type, value, traceback);
+        }
+        return result;
+    }
+#elif PY_VERSION_HEX >= 0x030B0000
+  static PyCodeObject* __Pyx__PyCode_New(int a, int p, int k, int l, int s, int f,
+                                         PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                         PyObject *fv, PyObject *cell, PyObject* fn,
+                                         PyObject *name, int fline, PyObject *lnos) {
+    PyCodeObject *result;
+    result =
+      #if PY_VERSION_HEX >= 0x030C0000
+        PyUnstable_Code_NewWithPosOnlyArgs
+      #else
+        PyCode_NewWithPosOnlyArgs
+      #endif
+        (a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, name, fline, lnos, __pyx_mstate_global->__pyx_empty_bytes);
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030c00A1
+    if (likely(result))
+        result->_co_firsttraceable = 0;
+    #endif
+    return result;
+  }
+#elif !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx__PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_NewWithPosOnlyArgs(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx__PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+static PyObject* __Pyx_PyCode_New(
+        const __Pyx_PyCode_New_function_description descr,
+        PyObject * const *varnames,
+        PyObject *filename,
+        PyObject *funcname,
+        PyObject *line_table,
+        PyObject *tuple_dedup_map
+) {
+    PyObject *code_obj = NULL, *varnames_tuple_dedup = NULL, *code_bytes = NULL;
+    Py_ssize_t var_count = (Py_ssize_t) descr.nlocals;
+    PyObject *varnames_tuple = PyTuple_New(var_count);
+    if (unlikely(!varnames_tuple)) return NULL;
+    for (Py_ssize_t i=0; i < var_count; i++) {
+        Py_INCREF(varnames[i]);
+        if (__Pyx_PyTuple_SET_ITEM(varnames_tuple, i, varnames[i]) != (0)) goto done;
+    }
+    #if CYTHON_COMPILING_IN_LIMITED_API
+    varnames_tuple_dedup = PyDict_GetItem(tuple_dedup_map, varnames_tuple);
+    if (!varnames_tuple_dedup) {
+        if (unlikely(PyDict_SetItem(tuple_dedup_map, varnames_tuple, varnames_tuple) < 0)) goto done;
+        varnames_tuple_dedup = varnames_tuple;
+    }
+    #else
+    varnames_tuple_dedup = PyDict_SetDefault(tuple_dedup_map, varnames_tuple, varnames_tuple);
+    if (unlikely(!varnames_tuple_dedup)) goto done;
+    #endif
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_INCREF(varnames_tuple_dedup);
+    #endif
+    if (__PYX_LIMITED_VERSION_HEX >= (0x030b0000) && line_table != NULL && !CYTHON_COMPILING_IN_GRAAL) {
+        Py_ssize_t line_table_length = __Pyx_PyBytes_GET_SIZE(line_table);
+        #if !CYTHON_ASSUME_SAFE_SIZE
+        if (unlikely(line_table_length == -1)) goto done;
+        #endif
+        Py_ssize_t code_len = (line_table_length * 2 + 4) & ~3LL;
+        code_bytes = PyBytes_FromStringAndSize(NULL, code_len);
+        if (unlikely(!code_bytes)) goto done;
+        char* c_code_bytes = PyBytes_AsString(code_bytes);
+        if (unlikely(!c_code_bytes)) goto done;
+        memset(c_code_bytes, 0, (size_t) code_len);
+    }
+    code_obj = (PyObject*) __Pyx__PyCode_New(
+        (int) descr.argcount,
+        (int) descr.num_posonly_args,
+        (int) descr.num_kwonly_args,
+        (int) descr.nlocals,
+        0,
+        (int) descr.flags,
+        code_bytes ? code_bytes : __pyx_mstate_global->__pyx_empty_bytes,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        varnames_tuple_dedup,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        __pyx_mstate_global->__pyx_empty_tuple,
+        filename,
+        funcname,
+        (int) descr.first_line,
+        (__PYX_LIMITED_VERSION_HEX >= (0x030b0000) && line_table) ? line_table : __pyx_mstate_global->__pyx_empty_bytes
+    );
+done:
+    Py_XDECREF(code_bytes);
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_XDECREF(varnames_tuple_dedup);
+    #endif
+    Py_DECREF(varnames_tuple);
+    return code_obj;
+}
+
+/* DecompressString */
+static PyObject *__Pyx_DecompressString(const char *s, Py_ssize_t length, int algo) {
+    PyObject *module = NULL, *decompress, *compressed_bytes, *decompressed;
+    const char* module_name = algo == 3 ? "compression.zstd" : algo == 2 ? "bz2" : "zlib";
+    PyObject *methodname = PyUnicode_FromString("decompress");
+    if (unlikely(!methodname)) return NULL;
+    #if __PYX_LIMITED_VERSION_HEX >= 0x030e0000
+    if (algo == 3) {
+        PyObject *fromlist = Py_BuildValue("[O]", methodname);
+        if (unlikely(!fromlist)) goto bad;
+        module = PyImport_ImportModuleLevel("compression.zstd", NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+    } else
+    #endif
+        module = PyImport_ImportModule(module_name);
+    if (unlikely(!module)) goto import_failed;
+    decompress = PyObject_GetAttr(module, methodname);
+    if (unlikely(!decompress)) goto import_failed;
+    {
+        #ifdef __cplusplus
+            char *memview_bytes = const_cast<char*>(s);
+        #else
+            #if defined(__clang__)
+              #pragma clang diagnostic push
+              #pragma clang diagnostic ignored "-Wcast-qual"
+            #elif !defined(__INTEL_COMPILER) && defined(__GNUC__)
+              #pragma GCC diagnostic push
+              #pragma GCC diagnostic ignored "-Wcast-qual"
+            #endif
+            char *memview_bytes = (char*) s;
+            #if defined(__clang__)
+              #pragma clang diagnostic pop
+            #elif !defined(__INTEL_COMPILER) && defined(__GNUC__)
+              #pragma GCC diagnostic pop
+            #endif
+        #endif
+        #if CYTHON_COMPILING_IN_LIMITED_API && !defined(PyBUF_READ)
+        int memview_flags = 0x100;
+        #else
+        int memview_flags = PyBUF_READ;
+        #endif
+        compressed_bytes = PyMemoryView_FromMemory(memview_bytes, length, memview_flags);
+    }
+    if (unlikely(!compressed_bytes)) {
+        Py_DECREF(decompress);
+        goto bad;
+    }
+    decompressed = PyObject_CallFunctionObjArgs(decompress, compressed_bytes, NULL);
+    Py_DECREF(compressed_bytes);
+    Py_DECREF(decompress);
+    Py_DECREF(module);
+    Py_DECREF(methodname);
+    return decompressed;
+import_failed:
+    PyErr_Format(PyExc_ImportError,
+        "Failed to import '%.20s.decompress' - cannot initialise module strings. "
+        "String compression was configured with the C macro 'CYTHON_COMPRESS_STRINGS=%d'.",
+        module_name, algo);
+bad:
+    Py_XDECREF(module);
+    Py_DECREF(methodname);
+    return NULL;
+}
+
+#include <string.h>
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s) {
+    size_t len = strlen(s);
+    if (unlikely(len > (size_t) PY_SSIZE_T_MAX)) {
+        PyErr_SetString(PyExc_OverflowError, "byte string is too long");
+        return -1;
+    }
+    return (Py_ssize_t) len;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return PyByteArray_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
+    Py_ssize_t ignore;
+    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
+}
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {
+        const char* result;
+        Py_ssize_t unicode_length;
+        CYTHON_MAYBE_UNUSED_VAR(unicode_length); // only for __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        #if __PYX_LIMITED_VERSION_HEX < 0x030A0000
+        if (unlikely(PyArg_Parse(o, "s#", &result, length) < 0)) return NULL;
+        #else
+        result = PyUnicode_AsUTF8AndSize(o, length);
+        #endif
+        #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        unicode_length = PyUnicode_GetLength(o);
+        if (unlikely(unicode_length < 0)) return NULL;
+        if (unlikely(unicode_length != *length)) {
+            PyUnicode_AsASCIIString(o);
+            return NULL;
+        }
+        #endif
+        return result;
+    }
+#else
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+    if (likely(PyUnicode_IS_ASCII(o))) {
+        *length = PyUnicode_GET_LENGTH(o);
+        return PyUnicode_AsUTF8(o);
+    } else {
+        PyUnicode_AsASCIIString(o);
+        return NULL;
+    }
+#else
+    return PyUnicode_AsUTF8AndSize(o, length);
+#endif
+#endif
+}
+#endif
+static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_UTF8
+    if (PyUnicode_Check(o)) {
+        return __Pyx_PyUnicode_AsStringAndSize(o, length);
+    } else
+#endif
+    if (PyByteArray_Check(o)) {
+#if (CYTHON_ASSUME_SAFE_SIZE && CYTHON_ASSUME_SAFE_MACROS) || (CYTHON_COMPILING_IN_PYPY && (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)))
+        *length = PyByteArray_GET_SIZE(o);
+        return PyByteArray_AS_STRING(o);
+#else
+        *length = PyByteArray_Size(o);
+        if (*length == -1) return NULL;
+        return PyByteArray_AsString(o);
+#endif
+    } else
+    {
+        char* result;
+        int r = PyBytes_AsStringAndSize(o, &result, length);
+        if (unlikely(r < 0)) {
+            return NULL;
+        } else {
+            return result;
+        }
+    }
+}
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
+    int retval;
+    if (unlikely(!x)) return -1;
+    retval = __Pyx_PyObject_IsTrue(x);
+    Py_DECREF(x);
+    return retval;
+}
+static PyObject* __Pyx_PyNumber_LongWrongResultType(PyObject* result) {
+    __Pyx_TypeName result_type_name = __Pyx_PyType_GetFullyQualifiedName(Py_TYPE(result));
+    if (PyLong_Check(result)) {
+        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
+                "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ").  "
+                "The ability to return an instance of a strict subclass of int is deprecated, "
+                "and may be removed in a future version of Python.",
+                result_type_name)) {
+            __Pyx_DECREF_TypeName(result_type_name);
+            Py_DECREF(result);
+            return NULL;
+        }
+        __Pyx_DECREF_TypeName(result_type_name);
+        return result;
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ")",
+                 result_type_name);
+    __Pyx_DECREF_TypeName(result_type_name);
+    Py_DECREF(result);
+    return NULL;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Long(PyObject* x) {
+#if CYTHON_USE_TYPE_SLOTS
+  PyNumberMethods *m;
+#endif
+  PyObject *res = NULL;
+  if (likely(PyLong_Check(x)))
+      return __Pyx_NewRef(x);
+#if CYTHON_USE_TYPE_SLOTS
+  m = Py_TYPE(x)->tp_as_number;
+  if (likely(m && m->nb_int)) {
+      res = m->nb_int(x);
+  }
+#else
+  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
+      res = PyNumber_Long(x);
+  }
+#endif
+  if (likely(res)) {
+      if (unlikely(!PyLong_CheckExact(res))) {
+          return __Pyx_PyNumber_LongWrongResultType(res);
+      }
+  }
+  else if (!PyErr_Occurred()) {
+      PyErr_SetString(PyExc_TypeError,
+                      "an integer is required");
+  }
+  return res;
+}
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject *x;
+  if (likely(PyLong_CheckExact(b))) {
+    #if CYTHON_USE_PYLONG_INTERNALS
+    if (likely(__Pyx_PyLong_IsCompact(b))) {
+        return __Pyx_PyLong_CompactValue(b);
+    } else {
+      const digit* digits = __Pyx_PyLong_Digits(b);
+      const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(b);
+      switch (size) {
+         case 2:
+           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -2:
+           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case 3:
+           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -3:
+           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case 4:
+           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
+             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+         case -4:
+           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
+             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
+           }
+           break;
+      }
+    }
+    #endif
+    return PyLong_AsSsize_t(b);
+  }
+  x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyLong_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
+  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
+    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
+  } else {
+    Py_ssize_t ival;
+    PyObject *x;
+    x = PyNumber_Index(o);
+    if (!x) return -1;
+    ival = PyLong_AsLong(x);
+    Py_DECREF(x);
+    return ival;
+  }
+}
+static CYTHON_INLINE PyObject *__Pyx_Owned_Py_None(int b) {
+    CYTHON_UNUSED_VAR(b);
+    return __Pyx_NewRef(Py_None);
+}
+static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
+  return __Pyx_NewRef(b ? Py_True: Py_False);
+}
+static CYTHON_INLINE PyObject * __Pyx_PyLong_FromSize_t(size_t ival) {
+    return PyLong_FromSize_t(ival);
+}
+
+
+/* MultiPhaseInitModuleState */
+#if CYTHON_PEP489_MULTI_PHASE_INIT && CYTHON_USE_MODULE_STATE
+#ifndef CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+#if (CYTHON_COMPILING_IN_LIMITED_API || PY_VERSION_HEX >= 0x030C0000)
+  #define CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE 1
+#else
+  #define CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE 0
+#endif
+#endif
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE && !CYTHON_ATOMICS
+#error "Module state with PEP489 requires atomics. Currently that's one of\
+ C11, C++11, gcc atomic intrinsics or MSVC atomic intrinsics"
+#endif
+#if !CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+#define __Pyx_ModuleStateLookup_Lock()
+#define __Pyx_ModuleStateLookup_Unlock()
+#elif !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX >= 0x030d0000
+static PyMutex __Pyx_ModuleStateLookup_mutex = {0};
+#define __Pyx_ModuleStateLookup_Lock() PyMutex_Lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() PyMutex_Unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(__cplusplus) && __cplusplus >= 201103L
+#include <mutex>
+static std::mutex __Pyx_ModuleStateLookup_mutex;
+#define __Pyx_ModuleStateLookup_Lock() __Pyx_ModuleStateLookup_mutex.lock()
+#define __Pyx_ModuleStateLookup_Unlock() __Pyx_ModuleStateLookup_mutex.unlock()
+#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ > 201112L) && !defined(__STDC_NO_THREADS__)
+#include <threads.h>
+static mtx_t __Pyx_ModuleStateLookup_mutex;
+static once_flag __Pyx_ModuleStateLookup_mutex_once_flag = ONCE_FLAG_INIT;
+static void __Pyx_ModuleStateLookup_initialize_mutex(void) {
+    mtx_init(&__Pyx_ModuleStateLookup_mutex, mtx_plain);
+}
+#define __Pyx_ModuleStateLookup_Lock()\
+  call_once(&__Pyx_ModuleStateLookup_mutex_once_flag, __Pyx_ModuleStateLookup_initialize_mutex);\
+  mtx_lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() mtx_unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(HAVE_PTHREAD_H)
+#include <pthread.h>
+static pthread_mutex_t __Pyx_ModuleStateLookup_mutex = PTHREAD_MUTEX_INITIALIZER;
+#define __Pyx_ModuleStateLookup_Lock() pthread_mutex_lock(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() pthread_mutex_unlock(&__Pyx_ModuleStateLookup_mutex)
+#elif defined(_WIN32)
+#include <Windows.h>  // synchapi.h on its own doesn't work
+static SRWLOCK __Pyx_ModuleStateLookup_mutex = SRWLOCK_INIT;
+#define __Pyx_ModuleStateLookup_Lock() AcquireSRWLockExclusive(&__Pyx_ModuleStateLookup_mutex)
+#define __Pyx_ModuleStateLookup_Unlock() ReleaseSRWLockExclusive(&__Pyx_ModuleStateLookup_mutex)
+#else
+#error "No suitable lock available for CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE.\
+ Requires C standard >= C11, or C++ standard >= C++11,\
+ or pthreads, or the Windows 32 API, or Python >= 3.13."
+#endif
+typedef struct {
+    int64_t id;
+    PyObject *module;
+} __Pyx_InterpreterIdAndModule;
+typedef struct {
+    char interpreter_id_as_index;
+    Py_ssize_t count;
+    Py_ssize_t allocated;
+    __Pyx_InterpreterIdAndModule table[1];
+} __Pyx_ModuleStateLookupData;
+#define __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE 32
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static __pyx_atomic_int_type __Pyx_ModuleStateLookup_read_counter = 0;
+#endif
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static __pyx_atomic_ptr_type __Pyx_ModuleStateLookup_data = 0;
+#else
+static __Pyx_ModuleStateLookupData* __Pyx_ModuleStateLookup_data = NULL;
+#endif
+static __Pyx_InterpreterIdAndModule* __Pyx_State_FindModuleStateLookupTableLowerBound(
+        __Pyx_InterpreterIdAndModule* table,
+        Py_ssize_t count,
+        int64_t interpreterId) {
+    __Pyx_InterpreterIdAndModule* begin = table;
+    __Pyx_InterpreterIdAndModule* end = begin + count;
+    if (begin->id == interpreterId) {
+        return begin;
+    }
+    while ((end - begin) > __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE) {
+        __Pyx_InterpreterIdAndModule* halfway = begin + (end - begin)/2;
+        if (halfway->id == interpreterId) {
+            return halfway;
+        }
+        if (halfway->id < interpreterId) {
+            begin = halfway;
+        } else {
+            end = halfway;
+        }
+    }
+    for (; begin < end; ++begin) {
+        if (begin->id >= interpreterId) return begin;
+    }
+    return begin;
+}
+static PyObject *__Pyx_State_FindModule(CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return NULL;
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData* data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_relaxed(&__Pyx_ModuleStateLookup_data);
+    {
+        __pyx_atomic_incr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+        if (likely(data)) {
+            __Pyx_ModuleStateLookupData* new_data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_acquire(&__Pyx_ModuleStateLookup_data);
+            if (likely(data == new_data)) {
+                goto read_finished;
+            }
+        }
+        __pyx_atomic_decr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+        __Pyx_ModuleStateLookup_Lock();
+        __pyx_atomic_incr_relaxed(&__Pyx_ModuleStateLookup_read_counter);
+        data = (__Pyx_ModuleStateLookupData*)__pyx_atomic_pointer_load_relaxed(&__Pyx_ModuleStateLookup_data);
+        __Pyx_ModuleStateLookup_Unlock();
+    }
+  read_finished:;
+#else
+    __Pyx_ModuleStateLookupData* data = __Pyx_ModuleStateLookup_data;
+#endif
+    __Pyx_InterpreterIdAndModule* found = NULL;
+    if (unlikely(!data)) goto end;
+    if (data->interpreter_id_as_index) {
+        if (interpreter_id < data->count) {
+            found = data->table+interpreter_id;
+        }
+    } else {
+        found = __Pyx_State_FindModuleStateLookupTableLowerBound(
+            data->table, data->count, interpreter_id);
+    }
+  end:
+    {
+        PyObject *result=NULL;
+        if (found && found->id == interpreter_id) {
+            result = found->module;
+        }
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+        __pyx_atomic_decr_acq_rel(&__Pyx_ModuleStateLookup_read_counter);
+#endif
+        return result;
+    }
+}
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+static void __Pyx_ModuleStateLookup_wait_until_no_readers(void) {
+    while (__pyx_atomic_load(&__Pyx_ModuleStateLookup_read_counter) != 0);
+}
+#else
+#define __Pyx_ModuleStateLookup_wait_until_no_readers()
+#endif
+static int __Pyx_State_AddModuleInterpIdAsIndex(__Pyx_ModuleStateLookupData **old_data, PyObject* module, int64_t interpreter_id) {
+    Py_ssize_t to_allocate = (*old_data)->allocated;
+    while (to_allocate <= interpreter_id) {
+        if (to_allocate == 0) to_allocate = 1;
+        else to_allocate *= 2;
+    }
+    __Pyx_ModuleStateLookupData *new_data = *old_data;
+    if (to_allocate != (*old_data)->allocated) {
+         new_data = (__Pyx_ModuleStateLookupData *)realloc(
+            *old_data,
+            sizeof(__Pyx_ModuleStateLookupData)+(to_allocate-1)*sizeof(__Pyx_InterpreterIdAndModule));
+        if (!new_data) {
+            PyErr_NoMemory();
+            return -1;
+        }
+        for (Py_ssize_t i = new_data->allocated; i < to_allocate; ++i) {
+            new_data->table[i].id = i;
+            new_data->table[i].module = NULL;
+        }
+        new_data->allocated = to_allocate;
+    }
+    new_data->table[interpreter_id].module = module;
+    if (new_data->count < interpreter_id+1) {
+        new_data->count = interpreter_id+1;
+    }
+    *old_data = new_data;
+    return 0;
+}
+static void __Pyx_State_ConvertFromInterpIdAsIndex(__Pyx_ModuleStateLookupData *data) {
+    __Pyx_InterpreterIdAndModule *read = data->table;
+    __Pyx_InterpreterIdAndModule *write = data->table;
+    __Pyx_InterpreterIdAndModule *end = read + data->count;
+    for (; read<end; ++read) {
+        if (read->module) {
+            write->id = read->id;
+            write->module = read->module;
+            ++write;
+        }
+    }
+    data->count = write - data->table;
+    for (; write<end; ++write) {
+        write->id = 0;
+        write->module = NULL;
+    }
+    data->interpreter_id_as_index = 0;
+}
+static int __Pyx_State_AddModule(PyObject* module, CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return -1;
+    int result = 0;
+    __Pyx_ModuleStateLookup_Lock();
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData *old_data = (__Pyx_ModuleStateLookupData *)
+            __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, 0);
+#else
+    __Pyx_ModuleStateLookupData *old_data = __Pyx_ModuleStateLookup_data;
+#endif
+    __Pyx_ModuleStateLookupData *new_data = old_data;
+    if (!new_data) {
+        new_data = (__Pyx_ModuleStateLookupData *)calloc(1, sizeof(__Pyx_ModuleStateLookupData));
+        if (!new_data) {
+            result = -1;
+            PyErr_NoMemory();
+            goto end;
+        }
+        new_data->allocated = 1;
+        new_data->interpreter_id_as_index = 1;
+    }
+    __Pyx_ModuleStateLookup_wait_until_no_readers();
+    if (new_data->interpreter_id_as_index) {
+        if (interpreter_id < __PYX_MODULE_STATE_LOOKUP_SMALL_SIZE) {
+            result = __Pyx_State_AddModuleInterpIdAsIndex(&new_data, module, interpreter_id);
+            goto end;
+        }
+        __Pyx_State_ConvertFromInterpIdAsIndex(new_data);
+    }
+    {
+        Py_ssize_t insert_at = 0;
+        {
+            __Pyx_InterpreterIdAndModule* lower_bound = __Pyx_State_FindModuleStateLookupTableLowerBound(
+                new_data->table, new_data->count, interpreter_id);
+            assert(lower_bound);
+            insert_at = lower_bound - new_data->table;
+            if (unlikely(insert_at < new_data->count && lower_bound->id == interpreter_id)) {
+                lower_bound->module = module;
+                goto end;  // already in table, nothing more to do
+            }
+        }
+        if (new_data->count+1 >= new_data->allocated) {
+            Py_ssize_t to_allocate = (new_data->count+1)*2;
+            new_data =
+                (__Pyx_ModuleStateLookupData*)realloc(
+                    new_data,
+                    sizeof(__Pyx_ModuleStateLookupData) +
+                    (to_allocate-1)*sizeof(__Pyx_InterpreterIdAndModule));
+            if (!new_data) {
+                result = -1;
+                new_data = old_data;
+                PyErr_NoMemory();
+                goto end;
+            }
+            new_data->allocated = to_allocate;
+        }
+        ++new_data->count;
+        int64_t last_id = interpreter_id;
+        PyObject *last_module = module;
+        for (Py_ssize_t i=insert_at; i<new_data->count; ++i) {
+            int64_t current_id = new_data->table[i].id;
+            new_data->table[i].id = last_id;
+            last_id = current_id;
+            PyObject *current_module = new_data->table[i].module;
+            new_data->table[i].module = last_module;
+            last_module = current_module;
+        }
+    }
+  end:
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, new_data);
+#else
+    __Pyx_ModuleStateLookup_data = new_data;
+#endif
+    __Pyx_ModuleStateLookup_Unlock();
+    return result;
+}
+static int __Pyx_State_RemoveModule(CYTHON_UNUSED void* dummy) {
+    int64_t interpreter_id = PyInterpreterState_GetID(__Pyx_PyInterpreterState_Get());
+    if (interpreter_id == -1) return -1;
+    __Pyx_ModuleStateLookup_Lock();
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __Pyx_ModuleStateLookupData *data = (__Pyx_ModuleStateLookupData *)
+            __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, 0);
+#else
+    __Pyx_ModuleStateLookupData *data = __Pyx_ModuleStateLookup_data;
+#endif
+    if (data->interpreter_id_as_index) {
+        if (interpreter_id < data->count) {
+            data->table[interpreter_id].module = NULL;
+        }
+        goto done;
+    }
+    {
+        __Pyx_ModuleStateLookup_wait_until_no_readers();
+        __Pyx_InterpreterIdAndModule* lower_bound = __Pyx_State_FindModuleStateLookupTableLowerBound(
+            data->table, data->count, interpreter_id);
+        if (!lower_bound) goto done;
+        if (lower_bound->id != interpreter_id) goto done;
+        __Pyx_InterpreterIdAndModule *end = data->table+data->count;
+        for (;lower_bound<end-1; ++lower_bound) {
+            lower_bound->id = (lower_bound+1)->id;
+            lower_bound->module = (lower_bound+1)->module;
+        }
+    }
+    --data->count;
+    if (data->count == 0) {
+        free(data);
+        data = NULL;
+    }
+  done:
+#if CYTHON_MODULE_STATE_LOOKUP_THREAD_SAFE
+    __pyx_atomic_pointer_exchange(&__Pyx_ModuleStateLookup_data, data);
+#else
+    __Pyx_ModuleStateLookup_data = data;
+#endif
+    __Pyx_ModuleStateLookup_Unlock();
+    return 0;
+}
+#endif
+
+/* #### Code section: utility_code_pragmas_end ### */
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+
+
+/* #### Code section: end ### */
+#endif /* Py_PYTHON_H */
diff --git a/planarity/full/graph.pxd b/planarity/full/graph.pxd
new file mode 100644
index 0000000..484132e
--- /dev/null
+++ b/planarity/full/graph.pxd
@@ -0,0 +1,14 @@
+"""Definition file for Graph extension type
+
+This definition file corresponds to the graph.pyx implementation file, and 
+allows other Cython modules access to the Graph extension type.
+
+    N.B. Please see Cython documentation:
+    https://cython.readthedocs.io/en/latest/src/userguide/sharing_declarations.html#sharing-extension-types
+"""
+
+from planarity.full cimport cgraphLib
+
+cdef class Graph:
+    cdef cgraphLib.graphP _theGraph
+    cdef bint owns_graphP
diff --git a/planarity/full/graph.pyx b/planarity/full/graph.pyx
new file mode 100644
index 0000000..55c8fac
--- /dev/null
+++ b/planarity/full/graph.pyx
@@ -0,0 +1,262 @@
+#!/usr/bin/env python
+# cython: embedsignature=True
+"""
+Cython wrapper for the Edge Addition Planarity Suite Graph Library
+
+Wraps a graphP struct using a Cython class and wraps functions and macros that
+operate over graphP structs.
+"""
+
+from planarity.full cimport cappconst
+from planarity.full cimport cgraphLib
+
+OK = cappconst.OK
+NONEMBEDDABLE = cgraphLib.NONEMBEDDABLE
+NOTOK = cappconst.NOTOK
+NIL = cappconst.NIL
+
+EMBEDFLAGS_PLANAR = cgraphLib.EMBEDFLAGS_PLANAR
+EMBEDFLAGS_DRAWPLANAR = cgraphLib.EMBEDFLAGS_DRAWPLANAR
+EMBEDFLAGS_OUTERPLANAR = cgraphLib.EMBEDFLAGS_OUTERPLANAR
+EMBEDFLAGS_SEARCHFORK23 = cgraphLib.EMBEDFLAGS_SEARCHFORK23
+EMBEDFLAGS_SEARCHFORK33 = cgraphLib.EMBEDFLAGS_SEARCHFORK33
+EMBEDFLAGS_SEARCHFORK4 = cgraphLib.EMBEDFLAGS_SEARCHFORK4
+
+
+cdef class Graph:
+    def __cinit__(self):
+        global global_id_count
+        self._theGraph = cgraphLib.gp_New()
+        if self._theGraph == NULL:
+            raise MemoryError("gp_New() failed.")
+        self.owns_graphP = True
+
+    def __dealloc__(self):
+        if self._theGraph != NULL and self.owns_graphP:
+            cgraphLib.gp_Free(&self._theGraph)
+
+    def is_graph_NULL(self):
+        return self._theGraph == NULL
+
+    def get_wrapper_for_graphP(self) -> Graph:
+        cdef Graph new_wrapper = Graph()
+
+        if new_wrapper._theGraph != NULL:
+            cgraphLib.gp_Free(&new_wrapper._theGraph)
+        new_wrapper._theGraph = self._theGraph
+
+        new_wrapper.owns_graphP = False
+        return new_wrapper
+
+    def gp_IsArc(self, int e):
+        return (
+            (e >= self.gp_GetFirstEdge()) and
+            (e < self.gp_EdgeIndexBound()) and
+            cgraphLib.gp_IsArc(e)
+        )
+
+    def gp_GetFirstEdge(self):
+        return cgraphLib.gp_GetFirstEdge(self._theGraph)
+
+    def gp_EdgeInUse(self, int e):
+        if not self.gp_IsArc(e):
+            raise RuntimeError(
+                f"gp_EdgeInUse() failed: invalid edge index '{e}'."
+            )
+
+        return cgraphLib.gp_EdgeInUse(self._theGraph, e)
+
+    def gp_EdgeIndexBound(self):
+        return cgraphLib.gp_EdgeIndexBound(self._theGraph)
+    
+    def gp_EdgeInUseIndexBound(self):
+        return cgraphLib.gp_EdgeInUseIndexBound(self._theGraph)
+
+    def gp_GetFirstArc(self, int v):
+        if not self.gp_IsVertex(v):
+            raise RuntimeError(
+                f"gp_GetFirstArc() failed: invalid vertex intex '{v}'."
+            )
+
+        return cgraphLib.gp_GetFirstArc(self._theGraph, v)
+
+    def gp_GetNextArc(self, int e):
+        if not self.gp_IsArc(e):
+            raise RuntimeError(
+                f"gp_GetNextArc() failed: invalid edge index '{e}'."
+            )
+
+        return cgraphLib.gp_GetNextArc(self._theGraph, e)
+
+    def gp_GetNeighbor(self, int e):
+        if not self.gp_IsArc(e):
+            raise RuntimeError(
+                f"gp_GetNeighbor() failed: invalid edge index '{e}'."
+            )
+
+        return cgraphLib.gp_GetNeighbor(self._theGraph, e)
+
+    def gp_IsVertex(self, int v):
+        return (
+            (v >= self.gp_GetFirstVertex()) and
+            (v <= self.gp_GetLastVertex()) and
+            cgraphLib.gp_IsVertex(v)
+        )
+
+    def gp_GetFirstVertex(self):
+        return cgraphLib.gp_GetFirstVertex(self._theGraph)
+
+    def gp_GetLastVertex(self):
+        return cgraphLib.gp_GetLastVertex(self._theGraph)
+
+    def gp_VertexInRange(self, int v):
+        return (
+            v >= self.gp_GetFirstVertex() and
+            cgraphLib.gp_VertexInRange(self._theGraph, v)
+        )
+
+    def gp_getN(self)-> int:
+        """
+        Returns the number of vertices in the graph.
+        """
+        if self._theGraph == NULL:
+            raise RuntimeError("Graph is not initialized.")
+        return cgraphLib.gp_getN(self._theGraph)
+
+    def gp_InitGraph(self, int n):
+        if cgraphLib.gp_InitGraph(self._theGraph, n) != cappconst.OK:
+            raise RuntimeError(f"gp_InitGraph() failed.")
+
+    def gp_ReinitializeGraph(self):
+        cgraphLib.gp_ReinitializeGraph(self._theGraph)
+
+    def gp_CopyGraph(self, Graph src_graph):
+        # NOTE: this is interpreting the self as the dstGraph, i.e. copying
+        # the Graph wrapper that is passed in as the srcGraph
+        if src_graph.is_graph_NULL() or src_graph.gp_getN() == 0:
+            raise ValueError(
+                "Source graph either has not been allocated or not been "
+                "initialized.")
+        if self.gp_getN() != src_graph.gp_getN():
+            raise ValueError(
+                "Source and destination graphs must have the same order "
+                "to copy graphP struct.")
+        if cgraphLib.gp_CopyGraph(self._theGraph, src_graph._theGraph) != cappconst.OK:
+            raise RuntimeError(f"gp_CopyGraph() failed.")
+
+    def gp_DupGraph(self) -> Graph:
+        cdef cgraphLib.graphP theGraph_dup = cgraphLib.gp_DupGraph(self._theGraph)
+        if theGraph_dup == NULL:
+            raise MemoryError("gp_DupGraph() failed.")
+
+        cdef Graph new_graph = Graph()
+        if new_graph is None:
+            raise MemoryError("Unable to create new Graph container for duplicate.")
+        
+        if new_graph._theGraph != NULL:
+            cgraphLib.gp_Free(&new_graph._theGraph)
+        
+        new_graph._theGraph = theGraph_dup
+        new_graph.owns_graphP = True
+
+        return new_graph
+
+    def gp_Read(self, str infile_name):
+        # Convert Python str to UTF-8 encoded bytes, and then to const char *
+        cdef bytes encoded = infile_name.encode('utf-8')
+        cdef const char *FileName = encoded
+
+        if cgraphLib.gp_Read(self._theGraph, FileName) != cappconst.OK:
+            raise RuntimeError(f"gp_Read() failed.")
+
+    def gp_Write(self, str outfile_name, str mode):
+        mode_code = (cgraphLib.WRITE_ADJLIST if mode == "a"
+                         else (cgraphLib.WRITE_ADJMATRIX if mode == "m" 
+                               else (cgraphLib.WRITE_G6 if mode == "g"
+                                     else None)))
+        if not mode_code:
+            raise ValueError(
+                f"Invalid graph format specifier \"{mode}\" is not one of "
+                "'gam'."
+                )
+
+        # Convert Python str to UTF-8 encoded bytes, and then to const char *
+        cdef bytes encoded = outfile_name.encode('utf-8')
+        cdef const char *FileName = encoded
+
+        if cgraphLib.gp_Write(self._theGraph, FileName, mode_code) != cappconst.OK:
+            raise RuntimeError(
+                f"gp_Write() of graph to '{outfile_name}' failed."
+                )
+
+    def gp_GetNeighborEdgeRecord(self, int u, int v):
+        if not self.gp_IsVertex(u):
+            raise RuntimeError(f"'{u}' is not a valid vertex label.")
+        if not self.gp_IsVertex(v):
+            raise RuntimeError(f"'{v}' is not a valid vertex label.")
+        
+        return cgraphLib.gp_GetNeighborEdgeRecord(self._theGraph, u, v)
+
+    def gp_GetVertexDegree(self, int v):
+        if not self.gp_IsVertex(v):
+            raise RuntimeError(f"'{v}' is not a valid vertex label.")
+
+        return cgraphLib.gp_GetVertexDegree(self._theGraph, v)
+
+    def gp_GetArcCapacity(self):
+        return cgraphLib.gp_GetArcCapacity(self._theGraph)
+
+    def gp_EnsureArcCapacity(self, int new_arc_capacity):
+        if cgraphLib.gp_EnsureArcCapacity(self._theGraph, new_arc_capacity) != cappconst.OK:
+            raise RuntimeError(
+                "gp_EnsureArcCapacity() failed to set capacity to "
+                f"{new_arc_capacity}.")
+
+    def gp_AddEdge(self, int u, int ulink, int v, int vlink):
+        if ulink != 0 and ulink != 1:
+            raise RuntimeError(
+                f"Invalid link index for ulink: '{ulink}'."
+            )
+        if vlink != 0 and vlink != 1:
+            raise RuntimeError(
+                f"Invalid link index for vlink: '{vlink}'."
+            )
+        if cgraphLib.gp_AddEdge(self._theGraph, u, ulink, v, vlink) != cappconst.OK:
+            raise RuntimeError(
+                f"Unable to add edge (u, v) = ({u}, {v}) with ulink = {ulink} "
+                f"and vlink = {vlink}."
+            )
+
+    def gp_DeleteEdge(self, int e, int nextLink):
+        if not self.gp_IsArc(e):
+            raise RuntimeError(
+                f"gp_DeleteEdge() failed: invalid arc '{e}'."
+            )
+        if nextLink != 0 and nextLink != 1:
+            raise RuntimeError(
+                f"Invalid link index for nextLink: '{nextLink}'."
+            )
+        
+        return cgraphLib.gp_DeleteEdge(self._theGraph, e, nextLink)
+
+    def gp_AttachDrawPlanar(self):
+        if cgraphLib.gp_AttachDrawPlanar(self._theGraph) != cappconst.OK:
+            raise RuntimeError("Failed to attach DrawPlanar algorithm.")
+    
+    def gp_AttachK23Search(self):
+        if cgraphLib.gp_AttachK23Search(self._theGraph) != cappconst.OK:
+            raise RuntimeError("Failed to attach K23Search algorithm.")
+    
+    def gp_AttachK33Search(self):
+        if cgraphLib.gp_AttachK33Search(self._theGraph) != cappconst.OK:
+            raise RuntimeError("Failed to attach K33Search algorithm.")
+    
+    def gp_AttachK4Search(self):
+        if cgraphLib.gp_AttachK4Search(self._theGraph) != cappconst.OK:
+            raise RuntimeError("Failed to attach K4Search algorithm.")
+        
+    def gp_Embed(self, int embedFlags) -> int:
+        return cgraphLib.gp_Embed(self._theGraph, embedFlags)
+
+    def gp_TestEmbedResultIntegrity(self, Graph copy_of_orig_graph, int embed_result) -> int:
+        return cgraphLib.gp_TestEmbedResultIntegrity(self._theGraph, copy_of_orig_graph._theGraph, embed_result)
diff --git a/planarity/full/planarity_app_utils.py b/planarity/full/planarity_app_utils.py
new file mode 100644
index 0000000..6f38bd4
--- /dev/null
+++ b/planarity/full/planarity_app_utils.py
@@ -0,0 +1,90 @@
+"""Utilities to support planarity app implementation"""
+
+from planarity import Graph
+from planarity import (
+    EMBEDFLAGS_PLANAR,
+    EMBEDFLAGS_DRAWPLANAR,
+    EMBEDFLAGS_OUTERPLANAR,
+    EMBEDFLAGS_SEARCHFORK23,
+    EMBEDFLAGS_SEARCHFORK33,
+    EMBEDFLAGS_SEARCHFORK4,
+)
+
+__all__ = [
+    "PLANARITY_ALGORITHM_SPECIFIERS",
+    "ENSURE_ARC_CAPACITY_SPECIFIERS",
+    "attach_algorithm",
+    "get_embed_flags",
+    "max_num_edges_for_order",
+]
+
+
+def PLANARITY_ALGORITHM_SPECIFIERS() -> tuple[str, ...]:
+    """Returns immutable tuple containing algorithm command specifiers"""
+    return ("p", "d", "o", "2", "3", "4")
+
+
+def ENSURE_ARC_CAPACITY_SPECIFIERS() -> tuple[str, ...]:
+    """Graph algorithm extensions requiring ensure arc capacity before attaching"""
+    return ("d", "3", "4")
+
+
+def attach_algorithm(theGraph: Graph, command: str) -> None:
+    """Attach the specified algorithm to the graph.
+
+    Args:
+        graph: The Graph object to which the algorithm will be attached.
+        command: The algorithm command specifier
+
+    Raises:
+        ValueError: If the command is not recognized
+        RuntimeError: If the underlying C function to attach the graph
+            algorithm extension fails.
+    """
+    if command not in PLANARITY_ALGORITHM_SPECIFIERS():
+        raise ValueError(f"Unsupported algorithm specifier: {command}")
+
+    command_attach_extension_function_correspondence = {
+        "d": theGraph.gp_AttachDrawPlanar,
+        "2": theGraph.gp_AttachK23Search,
+        "3": theGraph.gp_AttachK33Search,
+        "4": theGraph.gp_AttachK4Search,
+    }
+
+    command_attach_extension_function_correspondence.get(
+        command, lambda *a, **k: None
+    )()
+
+
+def get_embed_flags(command: str) -> int:
+    """Get embedFlags corresponding to the command
+
+    Args:
+        command: The algorithm command specifier
+
+    Returns:
+        int: The corresponding embed flag from the C graphLib exposed by the
+            Cython wrapper.
+
+    Raises:
+        ValueError: If an invalid command is provided
+    """
+    command_embed_flag_correspondence = {
+        "p": EMBEDFLAGS_PLANAR,
+        "d": EMBEDFLAGS_DRAWPLANAR,
+        "o": EMBEDFLAGS_OUTERPLANAR,
+        "2": EMBEDFLAGS_SEARCHFORK23,
+        "3": EMBEDFLAGS_SEARCHFORK33,
+        "4": EMBEDFLAGS_SEARCHFORK4,
+    }
+
+    embed_flags = command_embed_flag_correspondence.get(command)
+    if embed_flags is None:
+        raise ValueError(f"Unsupported algorithm specifier: {command}")
+
+    return embed_flags
+
+
+def max_num_edges_for_order(order: int) -> int:
+    """Returns max number of edges possible for given graph order"""
+    return (int)((order * (order - 1)) / 2)
diff --git a/pyproject.toml b/pyproject.toml
index 426558b..62e54f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,6 +72,8 @@ dynamic = ["version"]
 include-package-data = false
 packages = [
     "planarity",
+    "planarity.classic",
+    "planarity.full",
 ]
 
 # NOTE: This enables dynamic metadata, e.g. versioning, to be computed during 
diff --git a/setup.py b/setup.py
index d345808..fdab48d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,3 @@
-import os
-import sys
-
 from glob import glob
 from setuptools import setup, Extension
 
@@ -14,15 +11,42 @@
 
 ext = ".pyx" if USE_CYTHON else ".c"
 
-sourcefiles = [
-    "planarity/planarity" + ext,
-    ]
-sourcefiles.extend(glob("planarity/c/graphLib/**/*.c", recursive=True))
-
-extensions = [Extension("planarity.planarity",
-                        sourcefiles,
-                        include_dirs=['planarity/c/graphLib'],
-                        )]
+classic_sourcefiles = [
+    "planarity/classic/planarity" + ext,
+]
+classic_sourcefiles.extend(glob("planarity/c/graphLib/**/*.c", recursive=True))
+
+g6IterationUtils_sourcefiles = [
+    "planarity/full/g6IterationUtils" + ext,
+]
+g6IterationUtils_sourcefiles.extend(
+    glob("planarity/c/graphLib/**/*.c", recursive=True)
+)
+
+graph_sourcefiles = [
+    "planarity/full/graph" + ext,
+]
+graph_sourcefiles.extend(
+    glob("planarity/c/graphLib/**/*.c", recursive=True)
+)
+
+extensions = [
+    Extension(
+        "planarity.classic.planarity",
+        classic_sourcefiles,
+        include_dirs=['planarity/c/graphLib'],
+    ),
+    Extension(
+        "planarity.full.g6IterationUtils",
+        g6IterationUtils_sourcefiles,
+        include_dirs=["planarity/c/graphLib"],
+    ),
+    Extension(
+        "planarity.full.graph",
+        graph_sourcefiles,
+        include_dirs=["planarity/c/graphLib"],
+    ),
+]
 
 if USE_CYTHON:
     from Cython.Build import cythonize
@@ -30,5 +54,4 @@
 
 setup(
     ext_modules = extensions,
-    )
-
+)