on the test and it's kind of a same effect no I don't think so like why do it why don't we see a plateau anyway that's right that's right that's why anyway let's this is more interesting Misha the zipper tempting is so boring that meets let me show you this one this is much more interesting much more interesting I promise I promise much more interesting as if you want we can go into some more nitty-gritty with this one I have far more that I'm gonna be able to get through which is fine it's about no equations I'm no proof assemble class