ref: 8fd222c1575da1fdebc6906799476c953c8f6cf5
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