What is six hexagrams?

There are eight diagrams in Liuhe, namely, Heaven and Earth Without, Shui Ze Festival, Mountain Fire Book, Thunder Land, Volcano Brigade, Mine Restoration, Heaven and Earth Taihe Kun.

Liuhong has a total of 10 hexagrams, which are the first hexagrams of Gan, Dui, Li, Zhen, Xun, Kan, Gen and Kun respectively, and "Lei is infallible" and "Lei Qiang".