Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. Go back and make a different choice.

 

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

 

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