#N two-cell-p410.rle
#O Arie Paap, 12 March 2019
#C
#C As of September 2023, this is the highest-known even period for an
#C oscillator with two cells in a range-1 2-state 2D Moore
#C isotropic rule.
#C
#C Reference:
#C https://conwaylife.com/forums/viewtopic.php?p=72969#p72969
x = 3, y = 1, rule = B2aei3-aijy4-actyz5cjny6-en7c8/S01e3r4acejtw5einy6cn7e8
obo!