ref: b83acb03e50c4314e082e642bdb429346892d040 dir: /maps/rockethideout1.blk/
.........@AAB...........DnoF......@AAAAcgAB....DF....@*+B @*+B....DF DF....DGGF DGGF....F F....@AAAAAABgB....444F,WJ....666F.......666F.......777oF.......HIIIIIIJ...