I Chinghexagram 45, depicted :::||: is named 萃 (cui4), Clustering. Other translations: R. Wilhelm/C. Baynes, Gathering Together (Massing); E. Shaughnessy (Mawangdui), Finished.
Inner (lower) trigram is ☷ (::: 坤 kun1) Field = (地) earth
Outer (upper) trigram is ☱ (||: 兌 dui4) Open = (澤) swamp