ref: 5a93b4fe2d4b76815ce06ba411f80a49fe26b3a1 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