There was an octopus, Inky, who escaped from an aquarium by jumping out of his tank and sliding down a small diameter drainpipe to the sea at night. I always w

There was an octopus, Inky, who escaped from an aquarium by jumping out of his tank and sliding down a small diameter drainpipe to the sea at night. I always wondered if he knew (or at least had an idea) where the drainpipe went and if he did how.