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.

 

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

 

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