10           20        30        40        50        60        
CCAGGGUCCCGCCUCCCU---|    G     GU          GU         UGGUGGGAGGGAUUC 
                     GCUCC UGGGG  GAGGUAGUAG  UGUAUAGUU               U
                     UGAGG GCUCC  UUCCGUUAUC  ACAUAUCAA               G
UAGGGGGGAUCUACUCGAAGG^    A     --          UG         UAGUGGACUUUACCC 
     130       120       110         100        90        80        70