10        20         30         40        50        60    
UCACGUUAAGUGGAAUCCGA-   UG  AUC-|         UU  A   C    UGCAGUUUUU 
                     GGU  GG    ACUGAAUUCU  UG UGC UAGA          \
                     UCG  CC    UGACUUAAGG  AC ACG AUCU          C
CUCGUUUGCUUCUAAUUACGG   GU  CAUU^         UU  C   -    UAAGAUCAGU 
      120       110       100        90        80         70