10          20        30        40        50        60
UGUAAAGUGCCGUAACU--|   UU   UGC   C       C        C   UAGAAA 
                   GGUU  CGA   UGC UUGUUAC UACGGUAC AGG      G
                   UCGA  GCU   ACG AAUAAUG GUGCCAUG UCU      U
AUAUCAUGGCCAACGUAAC^   GG   CUU   A       A        C   ACUGUA 
120       110       100        90        80        70