Bei der WPF (World Puzzle Federation) läuft gerade ein Wettbewerb. eine neue Flagge zu designen:
The WPF flag – WPF has announced a graphic competition. Design a new WPF flag that is going to be used during each World Puzzle Championship and World Sudoku Championship as a symbol of the WPF. The flag will have standard dimensions and the only criterion is that the WPF logo needs to be presented there. The competition starts immediately and ends on August 31. Please share this info with all your friends and colleagues. The authors can send the designs to firstname.lastname@example.org and become a designer of the symbol of each WPC and WSC.