This is an old revision of this page, as edited by 121.209.200.28(talk) at 11:14, 19 January 2007(Algorithmic considerations). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 11:14, 19 January 2007 by 121.209.200.28(talk)(Algorithmic considerations)