I would not have guessed this was possible!

Vladan Majerech has found a one-dimensional spaceship in the Game of Life: a pattern just one cell high and 3,707,300,605 cells wide that, after 133,076,755,768 generations (during which it is not confined to the one-dimensional line, of course) recreates the starting pattern but translated two cells to the right.

https://conwaylife.com/forums/viewtopic.php?&p=222136#p222136

So, hacker folk, apparently good Pastor Manul is publishing a bible of POC||GTFO - https://www.nostarch.com/gtfo

I heartily encourage you to peruse this with careful attention.

[ And grab the PDFs* from your local mirror]

* PDFs may also be virtual machine images, zip files, or web servers, depending on issue.