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https://en.m.wikipedia.org/wiki/Centipede#/media/File%3AMillipede_centipede_side-by-side.png
Assuming this is actually representative of the difference, it was definitely a pair of centipedes.
I’m not surprised in the least that at a minimum it’s more complicated than the meme suggests, and now I’ve learned far more about centipedes than I ever wanted to. Thanks!