Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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