Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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