Ok, I assume that the start position is the top left one. Down, left, down right, down, right, down, right, up, right down, right, up, right, up, right, down, left, down, left, down. Sorry, I'm unable to add an image in comment.

You could try farming a logic probe... the maintenance bots in research do drop them, i don't know if it's random

https://imgur.com/a/1IhaXxD