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.

 

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

 

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