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.

 

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

 

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