ref: 199b5fb5f2a024e48ef50f3586a04abebd16346d dir: /maps/seafoamislands5.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.