Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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