10          20        30        40        50        60 
AGAAAACAGACUUUAAGG--|     CU    U         AU           UGACAUU 
                    AGUGCU  GCUG GAGAACUGA  UCCAUAGAUGG       \
                    UCAUGG  CGGU UUCUUGACU  GGGUAUCUACU       U
CAUUAUUGACAGCCGUUUUG^     UU    U         C-           GUGUAUG 
120       110       100        90        80         70