10          20        30        40        50         
CAGAACCUUCUGAUGUA--|     UG   C           A         UAAACGUC 
                   CAGUGC  UCA CCAUAAAGUAG AAGCACUAC        U
                   GUCACG  AGU GGUAUUUCAUC UUUGUGAUG        U
ACUCAAAGAGGCGCCGGUU^     UG   A           C         UGACACAU 
.       110       100        90        80        70        60