0
0
1
0
1
1
0
1
1
0
0
1
1
0
1
21
52
4
0
1
1
0
0
1
0
20
1
0
5
6
0
0
0
0
0
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1