Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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