ref: e8082c1d1f09c04afb399ecdd63a79446e3bc390
dir: /sys/games/lib/life/glider.gun/
.........................x ......................xxxx .............x.......xxxx ............x.x......x..x.........xx ...........x...xx....xxxx.........xx xx.........x...xx.....xxxx xx.........x...xx........x ............x.x .............x