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