Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 4 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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