10           20        30        40        50        60 
AACCUGAUGCCGUUUGUC---|  UC U             U          A  AGUGAUAA 
                     CGU  G CCAGUGCCCUUUU AUGUUGUACU CU        \
                     GCG  C GGUUACGGGAAAA UAUAACGUGA GA        C
UUAGACGUUGUAACCGAACCA^  GU -             U          C  AAAAAAGA 
 120       110       100         90        80        70