ref: 2d1562cc1f42f3661a8ba7d5d9e6327588005cb7
dir: /examples/variable.orca/
......................................... .#.VARIABLES.#........................... ......................................... .#.WRITE.#............................... ......................................... .aV1.bV2.cV3............................. ......................................... .#.READ.#................................ ......................................... ..Va..Vb..Vc............................. ..1...2...3.............................. ......................................... .........................................