Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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