The order of numbers: 3 is the smallest, until 10, J (knight), Q (queen), K (king), then A, 2, Xiao Wang and Wang Da (largest).

Pattern arrangement: red hearts are the smallest, followed by diamonds, cotton, spades and spades are the largest.

It's very simple: for the landlord, you can write' four identical numbers (for example, four twos), this is a bomb', or the sizes are arranged in order, for example, 89 10J, 889910/kloc-0.