ref: b03f63b07aa475d5eed30c427264eae0f796b785 dir: /maps/seafoamislands5.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.