ref: e75c62eb1622812234b4c8795f089338bc51d880 dir: /maps/rockethideout1.blk/
.........@AAB...........DnoF......@AAAAcgAB....DF....@*+B @*+B....DF DF....DGGF DGGF....F F....@AAAAAABgB....444F,WJ....666F.......666F.......777oF.......HIIIIIIJ...