10          20        30        40          50         
GAGACUAAUAAACGUAU--            U  U       U   --|        AAGAA 
                   GUGCCUUAGCGU CC CGCAUUC GGU  GUUGUGGUG     \
                   CACGGAGUCGUA GG GUGUAAG UCA  CAACACUAC     A
CACUACGACGGCAGCGAUC            C  -       U   UC^        AAAGU 
.       110       100        90         80        70        60