Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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