ref: 985a2da33ed518eabc548cca8ebcb9085599291f
dir: /examples/subtraction.orca/
................................................. .#.SUBTRACTION.#................................. ................................................. .13X9.#.A.#...................................... .01X4.#.B.#...................................... ................................................. ...4zT0zyxwvutsrqponmlkjihgfedcba987654321....... ...A9w........................................... .rV5............................................. ............Vr................................... .#.RESULT.#.5.................................... ................................................. ................................................. ................................................. ................................................. ................................................. .................................................