ref: 3b42c8e3b247b0f36e2c19ed10053f75be1b96d9
dir: /examples/basics/h.orca/
......................................... .#.HALT.#................................ ......................................... ......................................... ..............gC2.....8C2.....4C2........ .2D............0F0.....1F0.....0F0....... ...H............*...............*........ ..xE............h.......h.......h........ ..........E..............E...........E... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................