10          20        30        40        50        60
UCUAUUUCCACGGCAUG--|  U  GC     U             A        CUGGUA 
                   GAG CG  ACGGG GAGAAGUUAGCCA CCAUCCGG      U
                   CUC GC  UGCUC UUCUUCAGUUGGU GGUGGGCC      G
GGCGUUGAUCCACCAAUAA^  U  AU     U             -        CAACGU 
 .       110       100        90        80         70