ref: 62f58184815c2ad3eecf0cc811967f3b0659c00e 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