Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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