ref: 68b8351f8c176057e4e07ddbce94235f2ae23159 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