## concat h-ly ``` image1 + image2 image1 + blank + image2 ``` ## concat v-ly ``` image1 - image2 image1 - blank - image2 ``` ## mixed ``` image1 + image2 - image3 (image1 + image2) - image3 ``` ``` image1 + (image2 - image3) ```
concat h-ly
concat v-ly
mixed