ref: f3e24e40bd024de6c8e4766b5d80089b3232ef1a
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