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.

 

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

 

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