Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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