Well, the way that you would do it, and this is going to be a technique that you can use for really any number of people in any number of seats, is to really just build off of what we just did here. What we did here is we started with seat number one. And we said, all right, how many different possibilities are, how many different people could sit in seat number one, assuming no one has sat down before? Well, three different people could sit in seat number one. You can see it right over here. This is where A is sitting in seat number one. This is where B is sitting in seat number one.