Binaire puzzel van 1 mei 2011
0
0
0
0
0
0
1
0
0
0
1
1
0
0
1
0
0
0
0
1
1
1
0
1
1
1
0
1
1
1
0
0
0
0
1
Meer heel moeilijke 12x12 puzzels
0
0
1
0
0
1
1
0
1
1
0
1
1
0
0
1
1
0
0
1
0
1
1
0
1
1
0
0
1
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
0
1
1
0
1
0
0
1
1
1
0
1
1
0
0
1
0
0
1
0
0
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
0
1
0
0
1
1
1
1
0
0
1
0
0
1
1
0
1
0
0
0
1
1
0
1
1
0
0
1
0
1
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
0
1
0
0
1
1