ref: 5ba56ca67baae3db140f8b7a2b2fc46bbac5602f
dir: /examples/misc/bang.orca/
......................................... .#.BANG.#................................ ......................................... ......................................... ......................................... ......................................... ......................................... ..............2D.H....................... ................xE....................... .....................E..#.BANG.#......... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................