Mild spoilers, but in the show, >!it isn't supposed to be a pangram, but a response to one, sort of like an anti-pangram. f you're trying to focus on the typical 'quick brown fox' pangram, it breaks your concentration. It sounds close, but the more you think about it, the worse it gets and the less you're able to focus on the real one.!<

But my point is that it still confuses me and pops up in my head when I'm trying to think about the real one.