Sudoku [ Difficulty level 5 ]
1
2
3
3
6
9
8
7
5
9
2
1
7
8
3
6
2
7
Solution
4
9
3
6
5
1
2
7
8
6
8
2
9
7
4
5
1
3
7
5
1
8
2
3
4
9
6
2
7
9
1
4
8
6
3
5
5
1
4
2
3
6
9
8
7
8
3
6
5
9
7
1
2
4
1
4
5
7
8
9
3
6
2
3
6
7
4
1
2
8
5
9
9
2
8
3
6
5
7
4
1
