10          20        30         40        50     
CCGAUGAGGAUCGCGAG--|    C    C  UC-             G  A   UU 
                   CUCAC GUUG UG   GCUGCAACAGUUA CU GCA  \
                   GAGUG CAGU AC   CGACGUUGUCAAU GA CGU  U
AUCUACGACUUUAUGACUG^    U    -  CUA             G  G   UA 
 .       100        90         80        70        60