Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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