ref: 2ac242ffa1cbe474e7f4d020b4f3a49166ddfe46
dir: /examples/octave.orca/
......................................... .#.OCTAVE.#.............................. ......................................... ......................................... ......................................... ......................................... .............4Cc......................... .............34cTCcDdEFfGgAaB............ ..............aVE........................ ......................................... ..............D4..Va..................... ...............:03E...................... ......................................... ......................................... ......................................... ......................................... .........................................