Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. Go back and make a different choice.

 

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

 

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