Grand Unification; the rule of Joong

Medium number
Qibo in Wuyunxing Dalunpian: Major Discussion on the Changes of Five-Motions, Huangdineijing,Suwen said：“It refers to the changes of Yin and Yang of the heavens and and the earth. As the number of Yin and Yang, those that can be calculated are the Yin and Yang in the human body which correspond to the number of Yin and Yang that can be counted.” Only the combining of Yin and Yang can be counted to the corresponding numbers.