Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

JohnLanger.com

© Copyright 2005, John Langer, All Rights Reserved.