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