Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 5 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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