Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. Go back and make a different choice.

 

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

 

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