Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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