Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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