10          20        30        40        50         
CCAUGGAUCUACAAAUA--|     UG   C           A         UAAACUUC 
                   CAGUGU  UCA CCAUAAAGUAG AAGCACUAC        A
                   GUCAUA  AGU GGUAUUUCAUC UUUGUGAUG        A
CAACUAGUGGACGUCGGUA^     UG   A           C         UGAAACGU 
.       110       100        90        80        70        60