Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

Start Over

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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