There are actually 3 possibilities in King Wen regarding the order of the needling: 1. you start in the middle /man, than go to the lower part /earth, than upper part / heaven. 2. man, heaven, earth. 3. earth, man heaven.
In Fu Xi you have 2 possibilities: heaven, earth, man and heaven, man, earth. For example using Co4, St36, Liv3 in Fu Xi in this order is the trigramm Sun. You start with the upper part of the body and read the trigramm from the bottom, it opens the skys. In King Wen it is Liv3, Co4, St36, also Sun, but related to the east and grows.
