Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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