10          20        30        40        50          
UUAAAAUGGGAGUGAGU--|       AU  UUU      U  AG       A  UUAAUA 
                   AGUGUGGU  GU   GGUUGC GU  AUUAAGU GU      \
                   UCGUACCG  CA   CCAACG CA  UAAUUCA CG      U
UCGGGACACGCGUCGGGUC^       GU  CGU      C  GA       -  UCGUAG 
.       110       100        90        80        70