10          20        30        40        50        60     
UAUUACCUCGCACAAAAU--| U                 A     C  UGUU     UGGUUUUU 
                    AC GCUGUUUUUAGUGAGUG GGGUC AG    UCACA        \
                    UG UGGCAAAAAUUACUCAC CCUAG UC    AGUGU        U
UGUCUUAAGUAGUCUAUAUU^ U                 A     A  ----     UAUAGACU 
     120       110       100        90        80            70