#MCell 4.00
#GAME General binary
#RULE C0,NM,Sa6ba3bab3a3bab3ab7a3bab3ab7ab15a3bab3ab7ab15ab31a3bab3ab7
#RULE ab15ab31ab63a,B5ab3abb6abbab12abbab3ab24abbab3ab7ab49abab3ab7ab1
#RULE 5ab95a
#BOARD 200x80
#SPEED 20
#WRAP 1
#CCOLORS 2
#D This produces a symmetric pair of dominoes every 45 generations.
#D 
#D Paul Tooke
#L 31.A$29.A.A$25.AA..3A$27.A..A$25.AA$29.AA$.3A6.20A$A..AA..AA$.3A.AA3.A
#L 5.A$8.7A.A7.A$38.AA$3.AA4.AA12.A$3.A5.A12.3A$3.AA4.AA12.A$38.AA$8.7A.A
#L 7.A$.3A.AA3.A5.A$A..AA..AA$.3A6.20A$29.AA$25.AA$27.A..A$25.AA..3A$29.A
#L .A$31.A