as z2 just given x2 and that's exactly what's happening here why we only condition on the XT plus 1 so that's filtering and we cover them but we covered it now in a different way that last I'm slightly a different way so we can now match up smoothing with what we saw here in filtering I'm gonna have to use a slightly smaller font for this example actually what a mm-hmm how much smaller brand is in your memories I'll use the entire width of the board as needed to cover smoothing so you've got this and we'll use the full width