Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. Go back and make a different choice.

 

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

 

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