ref: 7979093c548ad1521cfd742af7b1fd19654f7109
dir: /sys/games/lib/life/c5/
..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x xxxxx.xxxxx.xxxxx.xxxxx.xxxxx ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x ..............x