ref: 20ec36ba667768a0a5c5a91a09802b07eae6fa59
dir: /examples/variable.orca/
......................................... .#.VARIABLES.#........................... ......................................... .#.WRITE.#............................... ......................................... .aV1.bV2.cV3............................. ......................................... .#.READ.#................................ ......................................... ..Va..Vb..Vc............................. ..1...2...3.............................. ......................................... .........................................