shithub: riscv

ref: 157b7751e7b885ff39d92ea67564c85346ddc986
dir: /sys/games/lib/life/billiard2/

.....x.....
....x.x....
...x.x.x.xx
...x...x.xx
xx.xx..x...
x.x....x...
...xxxx....
...........
.....xx....
.....xx....