"Uh – well, they're not," I admit, feeling a bit awkward with her comment. "I've heard it's best to keep things organized in order to put them back in the particular place you found them. Different wear patterns sort of give each piece a kind of memory, I guess. Dunno if it's actually true, but I would rather not find out the hard way – hence their placement in the pan one by one and the marking of each tray."