Alright. Let's assume we have this guy, we'll call him a... oh, I dunno, a salesperson. And there are all these cities he must visit to sell his wares. BUT, oh-

Alright. Let's assume we have this guy, we'll call him a... oh, I dunno, a salesperson. And there are all these cities he must visit to sell his wares. BUT, oh-ho, there's a catch! Let me tell you how many times he can visit each city...