内容摘要：After you successfully call out pung or kong on a specific tile that has just been discarded by anot Birthday gift mahjong

After you successfully call out pung or Birthday gift mahjongkong on a specific tile that has just been discarded by another active participant at the table, you should neatly arrange all of your newly formed exposed tile sets directly in front of your seating area so every single person at the table can view and verify them clearly at all times during the round.