Card categories in mahjong

Plate:

East, south, west, north, middle, fa, white

Card:

Mei, lan, Zhu, chrysanthemum, spring, summer, autumn, and winter

Lettering:

Three identical

Shunzi:

Three in the same color form a sequence.

Card:

Four identical cards

Engraved child:

Three identical cards, which can be flat, cable, pie, and character cards

Cards:
Two cards with the same name can be made up of ten thousand, cable, pie, and character cards. When playing cards, you must pay the cards"

13O:

A piece of cake, 90 thousand, 9, 6, plus white in the Southeast and northwest, 7, into a card, if you want to Hu as long as you touch the southeast and northwest in the middle of the right one on the right

All depends on:

It consists of a sequence number card with three colors: 147, 258, and 369, and 14 cards in the middle of the southeast and northwest.