Po-Eun is the pseudonym of a loyal subject Chong Mong-Chu (1400) who was a famous poet and whose poem
"I would not serve a second master though I might be crucified a hundred times" is known to every Korean.
He was also a pioneer in the field of physics.
The diagram represents his unerring loyalty to the king and country towards the end of the Koryo Dynasty.
It is the first pattern where every movement is performed with both the right and the left sides.
Movements - 36
Ready Posture - Parallel Stance with a Heaven Hand / Narani Hanalson Junbi Sogi