10          20        30        40        50
UAUUGGAUGGAGACGUGU--|   UG     GA    G            A 
                    AGGG  GCAAU  AACC UUACCAUUACUG G
                    UCUC  CGUUG  UUGG AAUGGUAAUGAU U
CUUAGAGUUUCCGCUUACCU^   GU     UC    G            U 
100        90        80        70        60