Casinos Poker Rooms and Sportsbook Accepting USA Players
Double-Double (lotto)
A four-digit number made up of two doubles. Examples: 1221,
3344, 9797. There are only 45 of these boxed combinations in
the game; a Double-Double should appear every 37 days. Double-Double
hits, because of their rarity, yield much higher payouts per
dollar bet.
