Floodfill rough: 52, 26, 63, 32 -> 000001ab|48, 28, 60, 48 -> 00004fbc|44, 32, 72, 56 -> 0001fe3d|40, 52, 48, 72 -> 00004efd|68, 56, 78, 75 -> 00009cee|67, 60, 68, 63 -> 0000014b|36, 64, 44, 75 -> 00000ab5