Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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