Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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