10             20        30        40        50        60        70        80        90    
UCAUUUCAAUCUUUUCAA-----|   UUA   UUC           GACCC     UUGAAGUGCAUUCAACUAUAAAUUCGAUUGCAUGAAAAAUU 
                       AUGA   UCG   AUGUGACCACA     UUUCC                                         \
                       UACU   AGC   UACGCUGGUGU     AAAGG                                         C
ACCUCUCUGCAACUAUCAAAGUA^   ---   UAA           GUAGA     UUAUCUUUGCUUUCAACGCUUUCUUUAGUAGUAUUAUAAUA 
       180       170          160       150       140       130       120       110       100