Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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