Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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