10          20        30        40        50        60  
ACGACGACGAGAGACUG--|                         A  C     UGUUUCCAU 
                   GAACGGAAUGGAAUUUGAAACGUUUU GC AAAAA         \
                   CUUGCCUUGCUUUAGACUUUGCAAAG CG UUUUU         A
CGAAGACCGACUUCGACCU^                         A  U     GUGGAACUG 
   120       110       100        90        80        70