ref: f1a32c955360268a7bc901de057e6e451c979853
dir: /sys/games/lib/life/cmu2/
xxxx..x.x.x..xxxx x..x..x.x.x.....x x..x..x.x.x.....x x..x..xxxxx..xxxx ................. ................. xxxx.........xxxx ...x.........x... xxxx.........xxxx ...x.........x... xxxx.........xxxx ................. ................. xxxx..xxxxx..x..x x.....x.x.x..x..x x.....x.x.x..x..x xxxx..x.x.x..xxxx