ref: a4b93e543be46b4b6c7a8bf639f585501b0dd712
dir: /sys/games/lib/life/sparkfuse/
........................................................................................................................................xx x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x.x xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx..xxxx.. x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x..x.x ........................................................................................................................................xx