6
0
0
6
0
0
6
0
0
4
0
0
4
0
0
9
0
0
6
0
0
3
0
0
4
1
0
20
1
0
4
1
0
6
1
0
8
1
0
2
0
8
1
0
8
1
0
4
0
0
6
0
0
6
0
0
6
0
0