4
0
5
0
6
0
5
0
5
0
4
0
4
0
4
0
4
0
4
0
4
0
3
0
5
0
2
0
3
0
2
0
3
0
2
0
3
0
3
0
3
0
2
0
3
0
5
0
5
0
5
0
6
0
6
0
