10             20        30        40        50        60        70       
UCUGUUUCUAAAUUACU-----|   AUU  C           U    A    A   AACUGCCUGAGCUGAUUUUACAUC 
                      GUUC   UA CGGAGGCUGUG GUGG GCAA CUG                        \
                      CAAG   AU GCUUCCGAUAC CAUC CGUU GAC                        C
AUUAUUUGUAUCUACAAGUCGG^   ---  C           U    A    A   AUUUUAAUGUAAUUGUGGACUUGA 
   150       140       130          120       110       100        90        80