4
0
9
0
7
0
5
0
2
1
4
2
2
0
6
0
4
1
5
0
6
0
6
1
6
0
4
0
3
0
4
1
4
0
7
4
7
0
8
0
5
0
7
0
5
0
9
0
3
0
3
0
3
0
7
2
4
0
9
4
4
0
6
0
7
0
