Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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