ref: 75f5332c9dce891845e57b188efad28d7530d8ae dir: /sys/games/lib/life/cp.48-56-72/
..xxx...xxx x....x.x....x x....x.x....x x....x.x....x ..xxx...xxx ..xxx...xxx x....x.x....x x....x.x....x x....x.x....x ..xxx...xxx