Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.