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