Langer's Sudoku Assistant

Invalid Sudoku!

Column 7 is invalid. Go back and make a different choice.

 

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

 

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