shithub: plan9front

ref: e6684dbfda0507565f44967680b850b35a5b4f93
dir: /sys/games/lib/life/fisheater/

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