Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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