ref: 3b42c8e3b247b0f36e2c19ed10053f75be1b96d9
dir: /examples/basics/z.orca/
......................................... .#.LERP.#................................ ......................................... ...R8....R5........D....D................ .xV7...yV0............................... ...................vx...vy............... ..................Z5...Z1................ ................xV5..yV1................. ...2Kxy.................................. .....51X................................. ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................