Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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

JohnLanger.com

© Copyright 2005, John Langer, All Rights Reserved.