Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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