The octo3obj database contains two collisions with an occurrence of this still life in the final pattern.[5]
Isomers
This still life is comprised of the normally stable long boat with a normally unstable tail attached. This is one of two possible isomers, named cis due to the corner part of the boat being closer to the tail; the other isomer, trans-long boat with tail, has this corner part facing outwards.
↑The headerless RLEs of the collisions are b2ob2o$b2ob2o2$9bo$4b2o2bobo$2o2b2o2bobo$2o7bo2$bo$2o$obo! and b2ob2o$b2ob2o2$9bo$8bobo$2o6bobo$2o7bo2$bo$2o$obo! The collisions converge to the same sequence after 6 ticks. The final population is 270, with 10 escaping gliders.