10          20        30        40        50        60  
CAAAGGACGAUUGGAUGU--|       G               A         UAAACUCCU 
                    ACAGUGCA UCAUCCAUAAAGUAG AAGCACUAC         \
                    UGUCAUGU AGUAGGUAUUUCAUC UUUGUGAUG         C
AAGAGACGGAGGGCAUCGGU^       G               C         UGACACCCG 
   120       110       100        90        80        70