10          20        30        40        50        60  
AACCUGCCCACAGACUG--|                         A  C     UGUUUCCAU 
                   GAACAGAAUGGAAUUUGAAACGUUUU GC AAAAA         \
                   CUUGUCUUGCUUUAGACUUUGCAAAG CG UUUUU         G
AAAGUAGGGGCAUCAACCU^                         A  U     GUGGAAAUG 
   120       110       100        90        80        70