ref: 4a92a8f6b2502750a69e87d398ffb2f069103bf4 dir: /sys/games/lib/life/spark2/
xx......................xx x.x..x..x..x..x..x..x..x.x ..x..xxxx..xxxx..xxxx..x.. x.x..x..x..x..x..x..x..x.x xx......................xx