1
0
1
0
1
0
1
0
3
2
2
1
1
0
6
5
5
5
1
0
5
4
1
0
1
0
1
0
1
0
1
0
4
6
3
2
1
0
7
7
1
0
2
1
1
0
1
0
1
0