Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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