shithub: riscv

ref: dfd915892a662216fa1f422ea56b89c8b34e3175
dir: /sys/games/lib/life/fisheater/

.....x.
......x
......x
...x..x
....xxx
.......
.......
.......
.......
.......
.......
.......
.......
.......
..xx...
...x...
xxx....
x......