Thirteen Orphans (Wu Shuang, the Stone Country): Sticky card needs 1, 900, 1, 9, 1, 9 bronze, southeast and northwest, medium white; Any one is a bird's head in pairs, except one. If you want to touch all the cards of 13, you can suspend trading and only hang any number of cards. For example, if there are no 9 cards, you hang 9 cards.