ref: 98a4a4f18c60bf8a4985431aac8d043ebe827dc6
dir: /examples/random.orca/
......................................... .# RANDOM #.............................. ......................................... ......................................... ......................................... ..............R.7........................ ..............67TCDEFGAB................. ..............8LFCDDEEFB................. ......................................... ......................................... ......................................... ......................................... .........................................