ref: 4e7fbabfc9f33f6ea5e5a46d5d6d7532d5f68301
dir: /sys/games/lib/life/barberpole/
xx........... x.x.......... ............. ..x.x........ ............. ....x.x...... ............. ......x.x.... ............. ........x.x.. ............. ..........x.x ...........xx