ref: f4ff0e71ad64edef5f74412cbc069414a69e9f92
dir: /examples/rand.orca/
......................................... ......................................... ......................................... ......................................... ......R.7................................ ......67TCDEFGAB......................... ........G................................ ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................