10         20         30        40        50          
AUGGGUUCUGUGUGAGA-   -|  UC    GU        U             CUUAUA 
                  CAU GGG  CUGU  GAAAGACA GGGUAGUGAGAUG      \
                  GUA CCC  GACG  CUUUCUGU UCCAUCAUUCUAC      A
ACAUCUUAAACAACGUAA   C^  GU    AC        -             UACAGU 
.       110       100        90        80         70