@LukeAlmighty the left and right side are 6 each, but we can't say much for the top and bottom sides, because we don't know how much the 4 and 5 sections overlap. The top and bottom sides must be longer than 5 and shorter than 9 each. So the circumference (or perimeter) is in the range 22<P<30
Math Spoiler
At least my brain is smooth and shiny, unlike your wrinkly 🧠