The Earlier Heaven Bagua
The 'Earlier Heaven' sequence, sold as primordial and attributed to the legendary sage Fu Xi, was devised by the eleventh-century scholar Shao Yong. The order actually named 'Later Heaven' in the Shuogua commentary is the older of the two.
Shao Yong (1011–1077), on the Earlier Heaven arrangement; the Shuogua commentary, on the Later Heaven order it actually transmits
An arrangement of the eight trigrams presented as older than the standard order actually given in the classical commentary.