10          20        30        40        50          
CAGUUGGGAAGACCAUC--|          U  CU        AA    U   UGAGAUAA 
                   CUGAUUCUGGU UC  UCAAGGCA  GGUU UCU        \
                   GACUGGGACCA AG  AGUUCUGU  CCAA AGA        U
UCCUGGAGAAUCAAUAUUA^          U  UU        C-    C   UCUAGUAG 
.       110       100        90        80         70