Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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