Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
Q:1/8=140
M:6/8
K:Ador
['e c z B/A/ GED DGG B>cd', 'G/F/G/A/G EAA A/G/A/B/A GBB GBB cee e2'  
X:1
L:1/8
Q:1/8=140
M:6/8
K:Ador
"^allegretto" e | c z B/A/ GED | DGG B>cd | cBA aga | geg ece |"^5" d2 d d/c/d/e/d | 
 e/d/e/f/g g>ag/d/ | eaa a>ba | gee e2 a |"^9" gee dBB | eAA GEE | A/B/cA B/c/dB | c/d/eE A2 :| z | 
"^13" EGG G/F/G/A/G | EAA A/G/A/B/A | GBB GBB | cee e2 g/a/ |"^17" bg/a/b af/g/a | ge/f/g fd/e/f | 
 ge/f/g af/g/a | gBB B2 f |"^21" dBG dBG | ecA ecA | A/B/cA GEC | EAA A2 :|  