10          20        30        40        50        60
CCUAUGAGGUGGCACUU--|    UU C                 A    UC    CUGAU 
                   UGGCU  C AAAUAAAGUUCUGUGAU CACU  GACU     U
                   AUUGA  G UUUGUUUCAAGACAUUA GUGA  CUGA     C
AAGGUUGUCCAAUUUCAAA^    GG A                 C    --    CGCUC 
.       110       100        90        80          70