Langer's Sudoku Assistant

Invalid Sudoku!

Column 9 is invalid. Go back and make a different choice.

 

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

 

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