Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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.