ref: eee7357c2778a65a3ecf552ac44b9a419e6e92d9
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