Langer's Sudoku Assistant

Invalid Sudoku!

Column 3 is invalid. Go back and make a different choice.

 

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

 

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