What you can play
Ranks run 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King, Ace, then 2. Suit breaks ties: Spades, Clubs, Diamonds, Hearts, from low to high.
Play singles, pairs, triples, four of a kind, straights of three or more, or at least three consecutive pairs. Runs cannot contain 2s or wrap. Ordinary replies must match type and length.