This is a gallery of interesting looking graphs otained with GRA rules and plotted in Mathematica.
Fig. 1 Rule n° 2238 on at t=120#
Fig. 2 Rule n° 549 on at t=26#
Fig. 3 Rule n° 2182 on at t=400#
Fig. 4 Rule n° 2199 on at t=175#
Fig. 5 Rule n° 16474 on at t=100#