10          20        30        40        50        60
AUAUAUUAUAGGCCUAA--|   CU U   CAC              A  A   UGUCGUU 
                   GACU  G UCA   GGCUGAUGAAACUU CA AGU       C
                   CUGA  U AGU   CCGACUAUUUUGGA GU UCA       U
GAUGCCUAACUCAGCAAAG^   AG C   AUC              C  C   GGUAUAG 
120       110       100        90        80        70