9
0
8
0
6
0
4
0
3
0
2
0
2
0
3
0
3
0
3
0
2
0
2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2
0
1
0
0
0
