The eight Trigrams are thought to have been created by Fu Hsi who was a Emperor of China sometime around 3,000 B.C.
In around 1,000 B.C. Emperor Wen further expanded them to make the 64 hexagrams.
Emperor Wen also rearranged the order of the triagrams.
The original oprder is called Former Heaven Sequence.
The later is called Later Heaven Sequence.
CH`IEN :
The creative summer, south, fire, 9.
TUI :
The lake, early summer, south east, 4.
LI :
The clinging, spring, east, wood, 3.
CHEN :
The thunder, late winter, north east, 8.
K`UN :
The receptive, winter, north, water, 1.
KEN :
The mountain, early winter, north west, 6.
K`AN :
The dangerous, autumn, west, metal, 7.
H`SUN :
The wind, late summer, south west, 2.
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