Start with the three puzzle pieces arranged so that the two jockeys are correctly riding the two weary-looking mules. Rearrange the pieces so that the mules miraculously break into a frenzied gallop. Use your mouse to drag the pieces and double click to rotate them. The mules do not overlap. There is a clever, but not deceptive solution to this puzzle.
To see the solution, press the explain button below, but don't go to it until you have really given up! It is worth the effort.