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