Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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