10          20        30        40        50        60 
CACACGACGGACAGACAG--|       G   C           A         UAACAGCA 
                    ACAGUGCA UCA CCAUAAAGUAG AAGCACUAC        \
                    UGUCAUGU AGU GGUAUUUCAUC UUUGUGAUG        C
ACCGCACCAGAGGCUUCGGG^       G   A           C         UGGGAGGU 
 120       110       100        90        80        70