The first step is to write from top left to bottom right, as shown in the figure:

Step 2, write from the upper right to the lower left, as follows:

Extended data:

The 24th letter of the English alphabet. Pronunciation /eks/, because of its pronunciation, is the letter with the least initials in English letters.

X stands for infinity, and X also has "goal" and "hope". Some words are obscure and difficult to translate directly, and they are represented by "XXX", and so on.

X means "perfection" in sociology, and a thousand words can be conveyed by X.

X represents an unknown number in mathematics, and letters also represent a number. Its size is unknown, it may be 2 or 5. Letters other than x are also acceptable, such as a, b and so on.

X also means crossover and multiplication, cooperation and perfect combination. For example, Nike x Transformers Air Trainer III cooperates with Transformers. This X is the multiplication of two internationally famous brands, which means better cooperation and combination, and more importantly, it means paying tribute to Transformers. However, in Detective Conan, X also represents a kiss or an arrow target.