How many official seals, financial seals and academic seals are there in Zhouyi?

Four-pillar fortune telling has only eight words in total, so it is also called eight characters. If you remove the yen, it is seven.

But there are heavenly stems hidden in the earthly branches, and there can be at most three, three times forty-two, plus three heavenly stems, theoretically at most fifteen.

But in reality, there can't be as many as fifteen, and there are four or five printed on Tibetan trunks.

You can look at the slave case or the fake slave case. General official seals, financial seals and study seals are all slave cases or fake slave cases, which rarely appear, especially slave cases.

There are six people at the most. Ding was born in 1998, and all six of them studied printing.