Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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