ref: e1d9215cece2519099ac0c7a773ddbefef1e05a9
dir: /examples/bang.orca/
......................................... .#.BANG.#................................ ......................................... ......................................... ......................................... ......................................... ......................................... ..............8D.H....................... ................xE....................... ..................E.....0................ ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................