Six Rui: Zhengui, Huangui, Xingui, Gonggui, Gubi, Pubi
"Zhou Rites" uses it to express the level of hierarchy, which is strict and rigorous.
Xu Yueqin's life of wealth and splendor ended up here.
Dongzhu is brilliant, he who knows my heart
Sigh that my graceful years are like flowing water
Fengguanxiapei, those who don't know me
I envy my pearls and bright moon and have nothing to worry about