10            20        30        40        50          
UGUACUGAGAACGACCU----|    UCU  C   A        A    GU    UGUGAGCU 
                     GGCCA   GG UUU AGAACUGA UUCU  AGGC        \
                     UCGGU   CC AAG UCUUGACU AGGG  UCCG        C
GGACCUUUGACCCACGUCGUG^    ---  A   G        C    AU    UAAACGAC 
.       110       100           90        80        70