I watched the latest episode of Crayon Shinchan today.

Didn't the landlord play with it when he was a child? Things folded with paper, like this.

The folding method is like this. I can't find Chinese. sorry

After folding, write the words southeast, northwest and northwest on the four outside faces, and then write different contents inside.

Different places in the southeast and northwest have different algorithms. Take me as an example, ask what direction is east/south/west/north, and what direction to answer; Then ask how many times, people holding the southeast and northwest will expand horizontally, take it back, expand vertically and then take it back. . . Keep repeating. Enough times. See what's written in the corresponding direction, which is similar to divination, but it's all used to play tricks on people, writing pig's head, 2 13 and so on.

Hope to adopt OvO