ref: 813959be7f22cd003ccf1c38037ce49f04d411ec dir: /maps/seafoamislands5.blk/
.vvu..v - v..vvvvvv, -a ..vv|vvvvv..vv, vvvvv..vvf +vvvvvv..vvvvvvvvvvv..vvuvvvv..v vL.