Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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