ref: d8bcd6c8e4a31a407aebcc3e60cdf3630b0b3c5f
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