Date: Jun 23, 2012 4:34 AM
Author: GG
Subject: About May Ponder this solution

Last month at IBM ponder this (http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/Challenges/May2012.html) a solution (http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/solutions/May2012.html) was posted.

Is trail and error the only way to approach the problem or is there some other way to solve it.