Mahjong thirteen orphans are Hu cards composed of thirteen mahjong cards. The specific tiles are: east, west, north, south, white, nine barrels per barrel, 190,000, and nine watts per barrel. Join any of these thirteen cards, and you can fool around. This card type is 88 times. What do you mean,10,20,30 times? There is no such thing in mahjong. Mahjong 1 equals to 1, which are 88 times, 64 times, 48 times, 32 times and 24 times 16 times, 8 times, 6 times, 4 times and 2 times 1 time respectively. Each species has a fixed card type limit, such as the thirteen orphans you mentioned. Fourteen, not one less. The specific seed list can refer to the description in the game help.