caption: the algorithm is executed in phases 0, 2,, 2,
exif: {"Image DocumentName": "Description The algorithm is executed in phases 0, 1, 2...", "Image ImageDescription": "Every phase k has two parts.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}