ref: c9e8d97ff3135493df7478c374fa93514c3be75d
dir: /examples/misc/bang.orca/
......................................... .#.BANG.#................................ ......................................... ......................................... ......................................... ......................................... ......................................... ..............2D.H....................... ................xE....................... .....................E..#.BANG.#......... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................