Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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