10          20        30        40        50        60  
CUCUGGCCCAGAUCCUUC--|     A    CCGU                GUUGGACACUCC 
                    AGUGCC CACU    GUAUUUGACAAGCUGA            \
                    UUACGG GUGA    CAUAAACUGUUUGACU            G
GUCAGGUCCCAACGAUCCGU^     A    ACCC                GUGAGAUGCUGU 
   120       110       100        90        80        70