6
0
0
6
0
0
6
0
0
4
0
0
6
0
0
2
0
0
6
0
0
2
0
0
4
0
0
4
0
0
4
0
0
4
0
0
9
0
0
4
0
0
4
0
0
6
0
0
5
0
0
6
0
0
6
2
1
5
0
0