ref: 2cc7c72f8e1b2c0ea98f2184014988f9e2940f52
dir: /sys/games/lib/life/sq.11/
.xxxxxxxxxxx x...........x x...........x x...........x x...........x x...........x x...........x x...........x x...........x x...........x x...........x x...........x .xxxxxxxxxxx