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