ref: 2dcdfb0d331dfd4633dd45dbdc382567de1e977e
dir: /sys/games/lib/life/boatcap/
x............... .x.............. ..x............. ...x............ ....x........... .....x.......... ......x......... .......x........ ........x....... .........x...... ..........x..... ...........x..xx ............x..x .............xx.