Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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