 He takes the phrase 11 plus 2 and he anagrams those words and they become 12 plus 1. So it's 11 plus 2 and 12 plus 1. Both of those add up to 13 and they both have 13 letters. Oh, that's so nice. That's such an excellent aged worm. I mean, word game. Oh, aged worm. Aged worm. It's an anagram for word game. I guess it is. This is a classic word puzzle type, right? Anagrams.