Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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