ref: 47f05d4d8b2c9f12aa77a73536f98d05c9494291
dir: /sys/games/lib/life/penta.shuttle/
.....................xxx .......................x...x..x....x..x ......................x..xxx..xxxxxx..xxx ...........................x..x....x..x ..x..x....x..x xxx..xxxxxx..xxx ..x..x....x..x