And you could push in the 8:1 and 20:1 to get an "average" of 14:1, which isn't far from 12:1 anyway.
Or 4 and 20 to get even closer
Ha, yeah you're right. I was just thinking about the two buttons next to one another. Other than ABI, I've never really messed around much with button combinations other than the occasional two buttons next to one another. But, yes, 4:1 and 20:1 would average to exactly 12:1. One more reason the 2:1 is the better option.