NOW CLOSED! Check back for the next problem.
Send your answers to Bev Thurber, Professor of Natural Sciences, at email@example.com by November 6, 2013.
Winners will be announced on the website!
From 536 Curious Problems & Puzzles by Henry Ernest Dudeney, ed. Martin Gardner (p. 214), which indicates that the problem is etched in a tombstone from 1538.