Move the red block around without hitting the blue blocks and the walls.
My longest time is 20.96 sec after the 11th time.
The air force guys will have to this for 2mins for their test.
But for normal people if you can do it for 20secs you are phenomenal.
Good Luck!
http://members.iinet.net.au/%7Epontipak/redsquare.html