Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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