Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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