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