ref: 9ab87c2dcc0c3cdea05193197c473512d7d138e1
dir: /examples/variable.orca/
......................................... .#.VARIABLES.#........................... ......................................... .#.WRITE.#............................... ......................................... .aV1.bV2.cV3............................. ......................................... .#.READ.#................................ ......................................... ..Va..Vb..Vc............................. ..1...2...3.............................. ......................................... ......................................... ......................................... ......................................... ......................................... .........................................