Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.