Click on the flags to change their position according to the text in the box on the left side. Do what the text say. Click flags to raise or bring down them. Have fun!
Inspired by a game which I saw on the web: http://www.gamesonline.fm/observation-games/flags-navigation I used Inkscape for the graphics. I took the photograph myself. You can find the German version here: http://scratch.mit.edu/projects/10322030/