Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. Go back and make a different choice.

 

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

 

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