10           20        30        40        50        60
AAUGAACCGAAAAUUUA---|   C     AU   ACA          C     AGUUGUUU 
                    CUCG AGAGU  UUG   UAACUUGGAA UCUAA        U
                    GAGC UCUUA  GAC   AUUGGACCUU AGAUU        U
ACUAGUCCUACAACUAGAAA^   -     CC   CGC          A     CAAGAUUG 
120       110       100         90        80        70