10          20        30        40        50        60 
UAAAAAAAGAAAAAAAA--|   C  A     AC      UU      U     UGAUUGUA 
                   AGAA AC UUUGU  AGGUAC  AGUGAC CUCAA        \
                   UCUU UG AAGCA  UCCAUG  UUACUG GAGUU        U
UAUAGCUAAACAACGCAAA^   U  A     CU      UC      U     UGGUAAAU 
 120       110       100        90        80        70