Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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