10        20          30        40        50        60  
CUGAAAAUGAAUGUCAUUUAU--|  C    UU         A           GUAAUUGAA 
                       UCU AGCU  GAGAACUGA UUCCAUGGGUU         \
                       AGG UCGA  UUCUUGACU GGGGUACCCAG         U
GACACAUACACUUCUGUCUUUAU^  U    C-         C           ACUGUCGUC 
  120       110       100         90        80        70