Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Go back and make a different choice.

 

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

 

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.