ref: d02e9b1a02fda71a66db5cbd7d8665cf76a43718
dir: /examples/random.orca/
......................................... .# RANDOM #.............................. ......................................... ......................................... ......................................... ..............R.7........................ ..............67TCDEFGAB................. ..............8LFCDDEEFB................. ......................................... ......................................... ......................................... ......................................... .........................................