A long session of mahjong can leave everyone feeling dizzy, with the mechanical cycle of winning hands and paying up repeating over and over.
One player had a concealed kong. After a few rounds, the player downstream declared, "Haha, I've won with a self-drawn tile!" Everyone then reached for their wallets. As they began shuffling the tiles, discussion arose. The player with the concealed kong said, "Hey, I had a concealed kong of five bamboos, and you still managed to self-draw and win with enclosed five bamboo! You sure are lucky."......