Floodfill: 1, 7, 12, 22 -> 00156240|18, 8, 19, 20 -> 0000e9ec|12, 11, 16, 18 -> 000909bb|10, 16, 12, 19 -> 0002e6b9|15, 20, 18, 22 -> 0001b23f|6, 31, 13, 42 -> 000b3de9|14, 30, 18, 40 -> 0006fdf8|39, 31, 47, 42 -> 00147d70|20, 33, 26, 40 -> 0004d3fb|48, 33, 52, 40 -> 000279fd|29, 55, 39, 60 -> 0018b462|43, 57, 47, 58 -> 0000ae4a|51, 57, 52, 58 -> 000023b7