ref: acac9a5ac6b984db4feeed92555e7e06137ecdb4
dir: /examples/misc/bang.orca/
......................................... .#.BANG.#................................ ......................................... ......................................... ......................................... ......................................... ......................................... ..............2D.H....................... ................xE....................... .....................E..#.BANG.#......... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................