ref: 07b237b10ccfd5bf95681601a6c6762c306cabea
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