Thirteen-channel playing card with formula

If there is something in your hand, throw the west wind first. 70 thousand was knocked out, 80 thousand saw two, and 90 thousand basically touched them.

In the game, a deck of cards is divided into four parts, each part has 13 cards. In the game of the size of dealer and idle family, 1 player plays the village, and the rest plays idle, and the number of players is 2-4. Players win or lose by Tao. It is called thirteen roads in the north, thirteen roads in Shanghai, thirteen rivers in Zhejiang and Fujian, and thirteen roads in Hong Kong, all based on the changes under the same rule.