0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
2
20
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
9
17
0
1
1
0
1
1
0
1
1
