Create compositions following the given structural principles.
Only One Section  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: G | AG AB cA GB | Ad de fd ec | (3(AAA) AB cA Gc | df ed cA GB | AD (3(DDD) cA GB | 
 Ad de f2 fg | (3(agf) (3(gfe) fd ec | df ed cA Af | g2 ge c3 e | g2 ge d3 e | f2 fd e2 ec | 
 df ed cA Af | g2 ge a2 af | gf ge ab ag | f2 fd ef ec | df ed cd d :|  