Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.