10          20        30         40           50        
CAGUGGGGUACCCCCCU--  A    GCA  C-   C    UAG---|       A  GUGCU 
                   GC GGCC   GG  GCU UGAC      AUUGCACU CU     \
                   CG CCGG   CC  CGA ACUG      UAACGUGA GA     C
CCCUCCCCCCCAGGGGUUC  A    GG-  UA   A    UUAUAG^       C  AGAGU 
.       110       100         90        80        70        60