Binary puzzle of June 30, 2011
1
1
1
1
1
0
0
0
0
0
1
0
0
1
1
0
1
0
1
1
1
0
1
1
1
0
0
1
0
0
1
1
0
0
0
1
1
0
0
1
1
0
1
1
0
0
1
0
1
1
0
0
1
1
1
0
0
1
1
0
0
1
0
0
1
1
0
1
0
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
1
1
0
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
0
1
0
1
1
0