How to see that there is a unicorn in the eight characters?

In the eight characters, see if you can get a unicorn. In fact, our ancestors have told future generations that there is a kind of four pillars called the last one is expensive. It is said that if heavenly stems and earthly branches in the stone pillar has seven kills, and there is only one overall situation, then there will be seven kills restricted by the god of food in the column of the month of June, and the Lord himself is strong, then this person will get Kirin. And this child is usually in the middle age or old age of this person. As the saying goes, seven kills have no children, and the official township has a strange child. The so-called late son A Ying, that is, the ancients said that Kirin sent the son.