ref: 77ce393e2625c2745feb4d04eb331ff9f29dea66
dir: /examples/variable.orca/
......................................... .#.VARIABLES.#........................... ......................................... .#.WRITE.#............................... ......................................... .aV1.bV2.cV3............................. ......................................... .#.READ.#................................ ......................................... ..Va..Vb..Vc............................. ..1...2...3.............................. ......................................... ......................................... ......................................... ......................................... ......................................... .........................................