Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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