10           20        30         40        50        60  
UCGACGUUACCUCGUAU---|   C  U       -      AAG     AAGAAAGAUAUUUCU 
                    CUUA UU CAAUGUC AUCAAA   GGCUG               G
                    GAGU AA GUUACGG UAGUUU   CCGAC               C
CAGUGUGAAACGAUAGCGAC^   -  C       G      CGA     ACUAUGCUAAGUUUA 
     120       110        100        90        80        70