ref: df4a8f8abb21c4d88a06c140e57da14a240e42cb
dir: /examples/cycle.orca/
......................................... .#.CYCLE.#............................... ......................................... ......................................... ......................................... ......................U.................. ...............U......................... ................N........................ ......................................... ......................................... .......................U................. ................U........................ ......................................... ......................................... ......................................... ......................................... .........................................