Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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