Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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