Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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