Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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