Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.