Complex sentence: The group avoided capture by hiding in Ceiba, Fajardo, Naguabo, Jobos Bay and Vieques, and when Cofresí sailed the east coast he reportedly flew the flag of Gran Colombia.
Split into simpler sentences: The group avoided capture by seeking refuge at Ceiba, Fajardo, Naguabo, Jobos Bay and Vieques. During his time sailing the east coast, Cofresí reportedly flew the flag of Gran Colombia.