The first time you're exposed to permutations and combinations, it takes a little bit to get your brain around it. So I think it never hurts to do as many examples. But each incremental example, I'm gonna go, I'm gonna review what we've done before, but hopefully go a little bit further. So let's just take another example. And this is in the same vein. In videos after this, I'll start using other examples other than just people sitting in chairs. But let's stick with it for now.