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.

 

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