10          20        30        40        50        60 
UUUUUUUUUGACACUCGU--|  C   C    A          CU       A  UUAUGAU 
                    GGA AUA UUUG UUUAGAAUUC  ACGCUUU CC       \
                    CCU UGU AAAC AAGUCUUAGG  UGCGAAA GG       C
ACACGUUAGCAACUUAAUCU^  C   U    A          UU       C  UUAAAGU 
 120       110       100        90        80        70