ref: 5c297ab94c2b4a0a296ecd7dfd9f1f6fc6b46523
dir: /examples/pendulum.orca/
......................................... .# PENDULUM #............................ ......................................... ........U.......E......U................. ................J........................ ...............B.H....................... ................gS....................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................