Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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