Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/16
M:2/4
K:C
['G2e2 F2d2 E2c2 cGEG D2B2', 'G2EG c2c2 c2Bc e2e2', 'cAFA d2d2 c4 efgf'  
X:1
L:1/16
M:2/4
K:C
 EF | G2e2 F2d2 | E2c2 cGEG | D2B2 BGDG | E2c2 cGEF | G2e2 F2d2 | E2c2 cGEG | D2B2 BGAB c2c2 c2 :: 
 G2 | G2EG c2c2 | c2Bc e2e2 | e2de f2B2 | cedc BAGF | G2EG c2c2 | c2Bc e2e2 | agfe dcBd | 
 c2c2 c2 :|[K:F] c2c2 cAFA | d2d2 c4 | efgf edc=B | cdcB ABAB | c2c2 cAFA | d2d2 c4 | efgf ecde | 
 f2f2 f2 :|  