ref: 099da8cb824ee60bf3f55e9e69380660f167b216
dir: /sys/games/lib/life/boatcap/
x............... .x.............. ..x............. ...x............ ....x........... .....x.......... ......x......... .......x........ ........x....... .........x...... ..........x..... ...........x..xx ............x..x .............xx.