10          20        30        40        50        60
GUGGCUGAGUUUGUUUU--|    CU  U  CU         AU           UGUUCA 
                   GAGCA  UU CC  GAGAACUGA  UCCAUAGAUGG      U
                   UUUGU  AA GG  UUCUUGACU  GGGUAUCUACU      G
UCUUAAACAUCGUCUGUAA^    CU  C  UC         C-           UGAAAA 
 .       110       100        90        80         70