Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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