Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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