ref: e7969293d3be7a9e903d1c96871595a3b8e65a50 dir: /maps/SeafoamIslandsB4F.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.