4
0
0
8
0
0
8
0
0
7
0
0
7
0
0
8
0
0
0
0
1
3
0
0
3
3
2
0
0
0
0
0
0
0
0
5
0
0
6
0
0
0
0
0
0
0
0
8
0
0