Date:	  17 July 1980 2228-edt
From:	  Bernard S. Greenberg	     <Greenberg at MIT-Multics>
Subject:  The Higher Crosses
To:	  CUBE-LOVERS at MIT-MC

For the amusement of the experienced cubemeister, and the
education of those desirous of learning the Art, I have here
produced a Description of the Methods, as I have used,
for the production of the Cruces Plummeri & Christmani.
These are the elegant configigurations of lid Crosses
of which we spoke earlier today.

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I herein describe the algorithms for construction of
the higher (Plummer, Christman) crosses from a solved position.