How to install heavenly stems and earthly branches in the Book of Changes divination?

I don't need to install a heavenly stems and earthly branches in the Book of Changes for divination. We only need to see whether the divination of divination is successful, refer to mantras to simulate the relationship between divination and divination, and learn from the past in combination with mantras.

That family is going to install six hexagrams for divination. There are eight formulas, such as "dry golden armor outside the meridian, Ding Haiwu against Jinding, Yi Mao away from the fire ...", which are divided into six relatives and six beasts. Please refer to Najia's books, such as Yi Mao, Addition, Deletion and Addendum.

Yi Xi first distinguished the relationship between the alchemy and the Book of Changes. The heavenly stems and earthly branches you mentioned belongs to the alchemy, also called Fang Jingyi.