Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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