Binaire puzzel van 23 december 2013
0
0
0
0
0
1
1
0
1
1
0
0
0
1
0
1
1
0
0
0
0
0
1
0
1
1
1
1
1
1
0
1
0
Meer heel moeilijke 12x12 puzzels
1
0
0
1
1
0
0
1
1
0
1
0
0
1
1
0
0
1
1
0
1
1
0
0
1
0
1
0
1
0
0
1
0
0
1
1
0
1
0
1
0
1
1
0
1
0
0
1
0
1
1
0
0
1
0
1
0
1
1
0
1
0
0
1
1
0
1
0
1
0
0
1
0
1
1
0
0
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
0
1
0
1
1
0
1
0
1
1
0
0
1
0
1
0
1
0
0
1
0
0
1
1
0
1
0
1
0
1
0
1
1
0
0
1
0
1
1
0