10        20          30        40        50        60  
AAAACUUGGAGAGGAAAUUCAUA--|   A  CU               AUUUA    UCGUU 
                         GACG AA  GGUUUUCAUAAUGAU     CAGA     U
                         CUGC UU  UCAAAAGUGUUACUA     GUCU     U
AUAACGAGAGAGCGACGGUCACCCG^   C  AG               GA---    UAUAG 
 120       110       100        90        80           70