Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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