10          20        30        40        50        60
AAAUACUAAGUUUUGAU--|      CAG  C          G      AG    AUUUAU 
                   GAAAAUU   CA UUAAGUAGUU AUACAA  GCGA      U
                   UUUUUAG   GU AAUUCAUCGA UGUGUU  CGCU      A
UAAUAAAAUCAGCAUGAUA^      ACA  A          G      A-    AUUUAA 
 .       110       100        90        80         70