10        20          30        40        50        60 
CCCUAUCAGAGAGCACUAAGUGA--|   UAUU       U   ACA         GUGGAA 
                         CAGA    GUAAACA CCU   CUCUCAGCU      A
                         GUCU    CAUUUGU GGA   GAGGGUCGA      G
CAAAGAGAAAUCAACUAAAGGUUCC^   UUCU       C   A--         AAGAAU 
120       110       100        90        80          70