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