Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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