Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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