10          20        30        40        50        60 
GGACACCACCACCUUCA--|    CU      A   U      CU  C    A  UUGGGAU 
                   GAGGA  CCAAGG ACA UCAACG  GU GGUG GU       \
                   UUCCU  GGUUCC UGU AGUUGC  CA CCAC CA       U
CUUUAUAUCGCAACAGACA^    AG      A   C      --  A    -  AAAAAGU 
.       110       100        90        80           70