4
0
0
6
0
0
6
0
0
4
0
0
8
0
0
6
0
0
6
0
0
6
0
0
5
0
0
6
0
0
4
0
0
4
0
0
2
0
0
4
0
0
20
2
1
20
1
1
3
1
2
2
1
2
3
0
0
2
1
1