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.

 

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

 

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