Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 9 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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