ref: 75675d8467dbb4eb0f23aef8e2cc53af8fb7b8ed
dir: /examples/cycle.orca/
......................................... .#.CYCLE.#............................... ......................................... ......................................... ......................................... ......................U.................. ...............U......................... ................N........................ ......................................... ......................................... .......................U................. ................U........................ ......................................... ......................................... ......................................... ......................................... .........................................