Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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