Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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