ref: 9803343f14f87a7f20b24f88add7e384f9d3eb56
dir: /examples/read+write.orca/
......................................... .# READ WRITE.#.......................... ......................................... .........C4..........C4.................. .........30O1230.....34T1230............. ...........0...........0................. ......................................... ......................................... .........C4.C4.......C4.C4............... .........30X3........34P7................ ......................................... ......................................... .........................................