10          20        30        40        50        60  
GACAGGACCCUGGGAUA--|    U  U     AU        CAC     U  A CGGACAG 
                   GAAAG GC UUGGA  GACACGAU   UCCCG UG G       \
                   CUUUC CG AACCU  CUGUGCUA   AGGGC AC C       C
UUAGAGACACCCUCCGCGA^    U  U     GC        UA-     U  - GAAGAAC 
 120       110       100        90        80          70