ref: cd31f04c284d181a428816a71bbfbf0eaded4fb9
dir: /examples/basics/h.orca/
......................................... .#.HALT.#................................ ......................................... ......................................... ..............gC2.....8C2.....4C2........ .2D............0F0.....1F0.....0F0....... ...H............*...............*........ ..xE............h.......h.......h........ ..........E..............E...........E... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................