Touch some cards in mahjong.

Basic card types: tube, strip, ten thousand, east, south, west, north, middle, hair and white, plus one in spring, summer, autumn and winter, one in Meilan and bamboo chrysanthemum, and two in white, totaling 146. Mahjong is played according to the popular thirteen-card style. You can eat, you can touch, you can bar. Roll the dice twice to determine contact and three times to determine pier. Hu brand types: four types: point gun, lift slip, lever open and sea fishing.

? There are *** 14 mahjong, with m and n coefficients, AAA stands for the same three, and ABC stands for three consecutive mahjong. DD stands for two identical ones. So there is a way to combine cards, when m=0, n=4 plus DD, or m= 1, n=3 plus DD, or m=2, n=2 plus DD, or m=3, n= 1 plus DD.

? At the beginning, four people sit first, and they need to roll dice to decide the seats in the southeast, northwest and northwest. The player sitting in the east wind position rolls the dice again to decide where to start playing cards. In the game, all players can freely choose to open a table or join a table opened by others. Players who join a table opened by others must play the game according to the rules set by the table length.

? Draw cards: the order is banker, south family, west family and north family. When drawing cards, only the last family can draw cards after playing cards. If the last one doesn't play cards, you can't touch it yourself. Every time you grab or eat, touch, open and fill flowers, as long as you don't agree with the card, you must make one. The general standard for winning a card is three combinations (three identical cards or three straight cards) plus two identical (commonly known as ordinary cards) pairs, which means winning a card, also called drawing cards, and in some places it is also called Hu cards.