ref: 1bce91f723f98ccb3e5dc34262ee1efe56b21350
dir: /examples/cycle.orca/
......................................... .#.CYCLE.#............................... ......................................... ......................................... ......................................... ......................U.................. ...............U......................... ................N........................ ......................................... ......................................... .......................U................. ................U........................ ......................................... ......................................... ......................................... ......................................... .........................................