10          20        30        40        50        60 
GCUUUCAGUGAUCCAUA--|   UAGU    UC         CUU  G       UGGGGUC 
                   UCCG    ACCU  CUCACUCAA   GG UGUGAUG       U
                   AGGC    UGGA  GAGUGAGUU   CC ACACUAC       U
GAUAACAAAACCUCGAAAA^   CGAC    GU         CCU  A       CUCGUUU 
  120       110       100        90        80        70