Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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