Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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