Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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