(2) The table is an inverted book, and it can be written fluently after a lot of practice. It looks like a foreign language, but many people don't know it. However, when the light is reversed, the handwriting of China's vertical calligraphy "Zhu" can be seen as (1). (2) Practice method of formula: First, write more with slightly transparent tissue paper according to formula (1), and write fluently, Lian Bi. Turn it over and put it horizontally, choose one with similar meaning to a foreign language, practice it according to it, and you will be fluent in a day or two.
The seal designed in this way is the "Zhu" in seal script. I hope you like it.