Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. Go back and make a different choice.

 

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

 

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