will be at least one well I should pay a price that's pretty high so here's the optimal code for this we could use just year over 0.9 and then 1 1 1 0 expected code length will be 1.1 so we're going to pay a price here that's actually pretty big that almost twice the length of the code compared to what entropy cover what entropy predicts has the lower bound so this first one gets expensive you send their long sequence of symbols essentially sent twice the sequence length compared to what in principle you wish you could be getting