I have 4 butts I'm about to rub and get ready to put on tomorrow morning. 3 of them around just under 8.5lbs and the other is just over 9.5lbs. I'm using a Napoleon Apollo so I have the 2 levels. Should I keep the bigger one on the bottom and put the temp probe for monitoring in one of the smaller ones? Or am I completely overthinking this and it doesn't really matter?