Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. Go back and make a different choice.

 

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

 

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