How Are Lottery Payouts Taxed In America?
https://www.playbuzz.com/item/b5121aff-adf8-48ac-bdd4-ca9b2f55454f
This type of Pick 4 number is understood as non-repeating or "single", due to the fact that all 4 digits are various. And if there was such a thing don't you think it could be used to something like the lottery?