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.

 

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

 

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