Sudoku anyone?
 

For those who have no time to solve a sudoku in a job offer advertisement first, to find out the telephone number to hear where to send the application papers, e.g.:
http://www.bbdo.de/de/home/news/2006...enanzeige.html

The “Sudoku solver” saves you a lot of time:
fill in the numbers in blanket, then hit the „Lösung“ button
http://www.surfpoeten.de/sudoku,

Har, har, har!

"Sudoku generator" with levels from “idiotic” to “nasty”
http://www.surfpoeten.de/sudoku/generator,

Source code (how it works):
http://www.surfpoeten.de/sudoku_source