Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.