#MCell 4.00
#GAME Rules table
#RULE 1,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,2,0,3,3,3,3,3,3,3,3,3,
#RULE 0,3,1,1,3,3,3,3,3,3
#BOARD 60x60
#SPEED 100
#WRAP 0
#CCOLORS 4
#PALETTE 8 colors
#D OR
#D 
#D A 'T'' can be used as an OR gate for a pair of signals;
#D the main concern is that one signal should not encroach
#D upon the territory of the other when the second is absent.
#D 
#D The signals arrive along the arms of the 'T',' the composite
#D departs along the stem. It is essential that the stem rise one
#D cell above the crossbar, thereby isolating the incoming signals;
#D a barrier lurks beneath it all. 
#D 
#D Harold V. MacIntosh
#L .A$.C$.C$.C$.C$12C$.C$.C$.C$.C$.C3$.C$.C$.C$.C$.C$12C$.C$.C$.C$.C$.A3$
#L .A$.C$.C$.C$.C$12C$.C$.C$.C$.C$.A