Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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