This is the sort of thing I like learning about. :D
There must some sort of graph that can be drawn.
There is. It looks like a bell. :Y
HTH.
"Wow, I thought KG showed up for a second!"
Yeah, I borrowed his sig' graphic. I'm sure he periodically lurks, then thinks to himself "this place is like a den of wild ferrets" or some such thing. :D
"I expected that to come from Truffy".
You know how us gun-crazed Americans are. If nothing else, we're quick on the draw. ;-)
"Feral ferrets. Not because it alliterates, but because ferrets are a domestic animal so you don't get wild ones"
If you want to be pedantic about it, wild ferrets are properly known as "polecats", although they're in the canine family.
"Except when you've got a sticky doughnut in your hands".
Hey, that's not a donut! It's a bit too tubular, and not yet sticky! :P