ref: b70bc705d1a4ecfe686d01f11a2bdb60234f8ca5
dir: /examples/misc/bang.orca/
......................................... .#.BANG.#................................ ......................................... ......................................... ......................................... ......................................... ......................................... ..............2D.H....................... ................xE....................... .....................E..#.BANG.#......... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................