ref: 1328b599385bb0e00fa6638cc7dff941970ebc4d
dir: /examples/read+write.orca/
......................................... .#.READ.WRITE.#.......................... ......................................... ......................................... ......................................... ......C4.........C2..........C4.......... ......10O1230...014Q1234.....14T1230..... ........1.......12345678.......1......... ......................................... ......................................... ......C4.C4......C2..........C4.C4....... ......10X1......014G1234.....14P1........ ........1230.......1234........1230...... ...................1234.................. ......................................... ......................................... .........................................