The flowers on the Yunnan Mahjong Bar are open, that is, when you open it, you take cards from the two cards turned over. The advantage is that you can adjust the angle of opening the bar by looking at the bottom of the bar Unlike hidden bars, it depends on luck.

Needless to say how to open the lever.

"After the Dragon Snatches" is the seventh team with four identical cards (Yi Long).

"Double Dragon Grab the Back" is a stingy pair, two pairs of four identical cards (two dragons).

I don't know, understand?