ref: 83daaf4ee43ec79d87dab45c3d14e55b2adb8425
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