Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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