ref: 0f5a9eb1465c76426034a68caa2ff350d29716e0 dir: /maps/SeafoamIslandsB4F.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.