Floodfill: 10, 0, 28, 3 -> 000becfb|34, 0, 45, 3 -> 00032989|60, 0, 72, 2 -> 00006eef|4, 15, 27, 45 -> 00c45e95|52, 20, 68, 29 -> 002f2b1a|0, 42, 64, 63 -> 00450d37|9, 47, 10, 48 -> 00001a28|18, 57, 21, 60 -> 0003cd5a|60, 60, 63, 63 -> 0002c552|69, 60, 72, 63 -> 0002f1c7