Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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