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.

 

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

 

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