Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. Go back and make a different choice.

 

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

 

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