Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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