Ok, one, two, three…CRAP!!
Quick quiz: Can you count the number of times the basketballs change hands?
Six college students swap basketballs while also changing their own positions. All you have to do is to count the total number of changeovers. There is more to this than it seems. HINT: try counting the number of catches rather than throws.
Get yourself ready. Sit up. Pay close attention. Watch it only once, no cheating.
The page requires Java and the applet is a fairly large 6MB. If you want to try it, here is the movie. Good luck! Let me know how you get on.