Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. Go back and make a different choice.

 

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

 

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