10            20        30        40        50        60  
UCCAUCUUCAUCCUGAU----|   U  A   A        CU    U       UGUUAAACUU 
                     UGAG GA CAA GUGUAUUC  GGGC AAUAACA          U
                     ACUC CU GUU CACAUAAG  UUCG UUAUUGU          U
AGGUUAGAGUACCUCAUUGUA^   U  -   G        AG    -       CUUAUAAAGU 
    120       110       100         90         80        70