Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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