10          20        30        40        50         
CCGUCUUCCCGGGUGAU--|  U   G         G   A    G  C     AUUCAU 
                   GUG GCA UGCUCUGCU AGG AGGU CU AUUGC      U
                   CAC CGU AUGAGGCGA UCC UCCA GA UAAUG      C
GUUGCGUCUGCAGGAAGUC^  U   A         G   C    G  U     AGAAUA 
.       110       100        90        80        70        60