10          20         30        40           50        
GUGGUGGGGUCCCCCCU--    A-  G        C      G---|       A  GUGCU 
                   GCUG  CC CAGGUGCU UGACGA    GUUGCACU CU     \
                   CGAC  GG GUCUACGA ACUGUU    UAACGUGA GA     C
UCCCUCCCUCUAGGGGUUC    CA  -        A      AUAG^       C  AGAGU 
.       110       100         90        80        70        60