On Tue, Mar 10, 2009 at 03:52:05PM -0400, Nick Lamicela wrote: >3-state Zendo sounds like it should be done in if-then-elseif-then-else >form, with one rule taking priority over another. That suggests to me that a polystate Zendo might approach something like the old Mastermind game [http://www.boardgamegeek.com/boardgame/2392]; perhaps one might have one colour rule, one positioning rule, and one size rule, or something of that nature. Roger