ref: 08e0da99d867daec7bd286e05bdd2d3da269c2d8
dir: /examples/basics/z.orca/
......................................... .#.LERP.#................................ ......................................... ...R8....R5........D....D................ .xV7...yV0............................... ...................vx...vy............... ..................Z5...Z1................ ................xV5..yV1................. ...2Kxy.................................. .....51X................................. ......................................... ......................................... ......................................... ......................................... ......................................... ......................................... .........................................