Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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