ref: 94d2ee527af44610a498d6f6adbba8f0b6d76f17
dir: /sys/games/lib/life/c7/
....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x xxxxx.xxxxx.xxxxx.xxxxx.xxxxx.xxxxx.xxxxx ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x ....................x