Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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