Thirteen orphans in mahjong

You've already drawn the cards, and it's no use having a whiteboard.

Thirteen Orphans: Never touch the bar when playing Hu cards. You must have fourteen cards in your hand. The cards are East, South, West, North, Middle, Serve and White.

190, 190,000,190 barrels, * * * thirteen kinds, none of them can be less. If there is a pair of players in chess, you can compete with thirteen orphans.

I need points badly. Do me a favor, my friend. Thank you.