ref: c2ea6907c920de6ed52aeb7ecc1bc4512acd4bcd
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