ref: 435ad93a9522c7e05d3b5ca5a595679b9a5c39c4 dir: /maps/seafoamislands5.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.