10        20          30        40        50        60   
CGUCAUCGUCGUCGUCGUCAUUAAA--|   C  G       U    AU       GUUUCAUU 
                           CCCU AG GUUCACC UGUG  CCUUGGU        U
                           GGGA UC UAAGUGG GCAC  GGAAUCA        A
CCUACGCCAUCUCUACCUUAACAGAAA^   A  G       C    --       GACUCAGU 
    120       110       100        90        80          70