10          20        30        40        50        60
GAAGUUGUCAUCAAUAU--|      G          A   AU           GUGUCAU 
                   GAUUACU UGCAGAGGUC GGG  AGUGUAAUGCU       A
                   CUGGUGA ACGUUUCCGG CCC  UCACGUUAUGA       U
CCGUAGGUGUGCUUCCUGC^      A          C   CC           UCGUUAC 
120       110       100        90        80        70