Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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