Langer's Sudoku Assistant

Invalid Sudoku!

Column 9 is invalid. Go back and make a different choice.

 

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

 

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