Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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