Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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