Chengtoushan site leader(possibly Fuxi) is O-002611

[xiongmao]

Fudan University Dr.li hui,has tested this result years ago,he also go ahead to suggest that the octagram pattern found on the site is symbol of Fuxi's family Bagua,and he quickly got debunked by others because “there is no clear connection”
Fuxi and his bagua symbol
octagram found on site

 

[xiongmao]

I found more
View attachment 12743Ling jiatan culture
View attachment 12745Dawenkou culture
Seems like this octagram pattern corrects with expansion of Dongyi people,in Dongyi mythology,Fuxi was also called Taihao(太昊)