10          20        30        40        50        60  
GCCCUCCAAAGACCGCGC--|     G    CCGU                GUUUGACACUCA 
                    AGUGCU CACU    GUAUUUGACAAGCUGA            \
                    UUACGG GUGA    CAUAAACUGUUUGACU            G
ACCGAGGCACGACGAUUCGU^     A    ACCC                GUGAGACGGUGU 
   120       110       100        90        80        70