Here is a little info on the Yellow-Green pattern.

Name: Do-San Hyung
Meaning: The pseudonym for the Korean patriot Ahn-Chang-Ho, who devoted his life to furthering the education of Korea and to the Korean Independence Movement. The 24 motions represent his life.
# of Motions: 24
Shape: S

Here’s a video. (Please note that the yells are on the first groin strike, and the second high block; in the video the first yell is in the same place, but the second yell is in a different place).

Here’s a second video that has the pattern performed from the front and the back:

Here’s a diagram of the form. Please note that there is some terminology differences on the form, but the motions are all the same.

http://www.natkd.com/pics/Chang_Hon_Forms/hyung_3_dosan.jpg