10          20        30        40        50        60 
UACAAGCAUUACAUAAA--|   C   UG         U  C  UG        UAUCAAAU 
                   CUGU AAG  CUGUGGAUU CU UG  AAUCACCA        \
                   GAUA UUC  GAUACUUAA GA AC  UUGGUGGU        C
UCUCGUUGACAUCCUCGUA^   C   GU         U  A  GU        GGUGUAAU 
 120       110       100        90        80        70