1 SPHERAL Tetris game on a close-packed 3-D lattice of shperes. Usage: $ SPHERAL 2 AUTHOR (C) Copyright 1991-3 Andrew Plotkin. (ap1i+@andrew.cmu.edu) Permission is given to copy and use, as long as this copyright notice is retained. 2 VMS_PORT Patrick Moreau, CENA/Athis-Mons , FRANCE (pmoreau@cena.dgac.fr)