0
1
1
0
1
1
0
1
2
0
1
1
0
2
4
0
1
1
0
0
1
0
0
1
0
0
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1
6
2
11
0
0
0
1
3
5
1
0
1
1
