Floodfill (limited start area): 40, 7, 63, 15 -> 001c6c72|6, 23, 78, 34 -> 01213dfc|15, 76, 59, 87 -> 000aeddb|6, 95, 112, 128 -> 0547e571|38, 135, 183, 147 -> 00114e0d|36, 153, 135, 167 -> 0297dba2|58, 187, 131, 198 -> 00327cb2|6, 206, 132, 220 -> 03ee8732