Langer's Sudoku Assistant

Invalid Sudoku!

Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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