Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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