10          20        30        40        50        60  
ACGACGACGAGAGACUG--|                         A  C    AUGUUUCCAU 
                   GAACGGAAUGGAAUUUGAAACGUUUU GC AAAA          \
                   CUUGCCUUGCUUUAGACUUUGCAAAG CG UUUU          A
CGAAGACCGACUUCGACCU^                         A  U    UGUGGAACUG 
   120       110       100        90        80        70