Open dice cup
骰盅───Dice cup;开───open
First shake the dice in your own dice cup, without looking at each other, then take a guess at the number of total dices between you two.───先摇一下自己色盅里的色子，不能看对方的，然后猜两个人加起来有几个几？
Each player holds 5 dice in their dice cup without revealing to each other.───每个玩家拿五颗骰子置于骰盅里，互相看不到。
It is like an unknown factor, because a player might only have one 2 in his dice cup, but he also has three 1's, which means he has four 2's potentially.
Each player holds 5 dice in their dice cup without revealing to each other.
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