Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. Go back and make a different choice.

 

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

 

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