ref: e31b72076b8407c5099ba8cb91184e830f48bb7e
dir: /examples/pendulum.orca/
......................................... .#.PENDULUM.#............................ ......................................... ......................................... ......................................... ............U........W.....U............. ....................J.................... ...................B.H................... ....................xS................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................