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????? (Sosuu Daifugo) (Prime Daifugo) is a climbing card game which uses a standard deck of playing cards. Players take turns raising the number by playing a prime number with cards in their hand.

This game uses 54 standard playing cards with two jokers included. Suit doesn't matter in this game. Shuffle the deck and deal 11 cards to each player.

The leader plays any prime number (see below). Then in clockwise order, players may play greater prime numbers with the same number of cards as the leader. The round continues until no player wants to play. The last player who played a valid number leads the next round.

To play a prime number, take a certain number (or any number if you are the leader) of cards from your hand and arrange their order to indicate a number. If the number is prime, your play is valid. Consider Ace as 1, and 10, J, Q, and K as two-digit numbers (10, 11, 12, and 13 respectively). For example, you may play 3 and J in two ways, 311 and 113 (both are prime numbers), but you may play 3 and 5 as 53 only, because 35 is not a prime number. There's a penalty when you play an invalid (non-prime) number.

You win the game when you get rid of all cards from your hand.

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??????11???????????????????????
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???????????????????????????????????????????? 3 ? 7 ?????????????
1???3?2???5?????35????
1???5?2???3?????53???????
????35??????????53????????????????

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?2018?10??????????????????