Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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