What does it mean to be surrounded by dragons?

Shuanglongwei is a kind of mahjong card.

Origin-Shuanglongbao: It is a kind of mahjong play. In other words, make sentences about your son, such as 2 to 3 to 4, but you must touch them yourself. As shown in the figure:

Other mahjong tiles:

1 thirteen orphans

When drawing cards, the card type consists of one or nine cards with three suit numbers, seven cards and a pair of them.

2. The words are the same color

When drawing cards, the card type consists of the engraving (bar) of the card and the will.

3. Seven pairs

When drawing cards, the card type consists of 7 pairs.

4, seven stars do not rely on

When drawing cards, the card type must be composed of seven single cards with white in the east, west, north and south and three colors. The numbers are numbered according to seven ordinal numbers in 147, 258 and 369, regardless of cards.

5. All colors

When drawing cards, the card type consists of ordinal cards of the same suit.

6. Qinglong

When drawing cards, there is an ordinal card connected with suit 1-9.

7. Not at all

When drawing cards, the card type consists of a single ordinal card with three colors, 147, 258 and 369, which cannot be misplaced, and 14 cards selected from southeast, northwest, middle and white.

Extended information-the definition of mahjong tiger brand;

Mahjong Hu card style refers to various counting methods of mahjong in Hu cards, and different cards calculate different numbers. The conventional types of Hu cards are Big Four Happiness, Small Three Yuan, Big Three Yuan, Monochrome, Mixed Monochrome, Unified and so on.

To put it simply, the mahjong Hu card type is the general name of the card type composed of mahjong Hu cards.