ref: e85e9a78a8b587d6b7a8bd84f70dbde33e7de904
dir: /sys/games/lib/life/cmu3/
xxxxx..x.x.x..xxxxx x...x..x.x.x......x x...x..x.x.x......x x...x..x.x.x......x x...x..xxxxx..xxxxx ................... ................... xxxxx.........xxxxx ....x.........x.... xxxxx.........xxxxx ....x.........x.... xxxxx.........xxxxx ................... ................... xxxxx..xxxxx..x...x x......x.x.x..x...x x......x.x.x..x...x x......x.x.x..x...x xxxxx..x.x.x..xxxxx