ref: 3fa44aeba878a812d8b5c7151a1b4da6aa99920b
dir: /examples/random.orca/
......................................... .# RANDOM #.............................. ......................................... ......................................... ......................................... ..............R.7........................ ..............67TCDEFGAB................. ..............8LFCDDEEFB................. ......................................... ......................................... ......................................... ......................................... .........................................