10          20         30        40           50        
GUGGUGGGAUCCCCCCU--     -  G        C    UAG---|       A  GUGCU 
                   GCUGG CC CAGGUGCU UGAC      GUUGCACU CU     \
                   CGACC GG GUCUACGA ACUG      UAACGUGA GA     C
CCCCUCCCUUCAGGGGUUC     A  -        A    UUAUAG^       C  AGAGU 
.       110       100         90        80        70        60