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