10         20         30        40        50        60  
CAGAAGAUGGAUUUUGGC-   UC  -|   AU        AAUUCC       GGUUGCACA 
                   AGC  CC AGCU  GAGAACUG      AUGGGCU         C
                   UCG  GG UCGA  CUCUUGAC      UACCUGA         U
UUCUUUACGACUUCCUGCU   UC  U^   C-        AGAUGA       CUCUUUAUU 
   120       110       100         90        80        70