one we had a min over I sitting in front of it ok so we lost some things here but it's all for a good reason so now what we're going to now be able to do is earn bits back which is the key concept we want to get to so it's an optimal yes and no it's yes it's optimal if we like to send I and X but we don't care about sending I we just want to send X is something we made up X is the real thing is the symbol I is just a mode then you know we have an ordered distribution we're fitting so optimal the same both but it's a waste to send I and so how