Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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