Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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