Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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