Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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