Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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