10          20        30         40        50        60 
GCAGUGGUACAUUAAAA--  U   CU A         U-| CC     UU     UUGCAUU 
                   CG CAC  G UGUAGGCCG  GC  AGUGC  AUUUG       U
                   GC GUG  U ACGUCCGGC  UG  UCACG  UAAAC       U
GACACAUCUAGCAGCUGAC  U   AG A         CC^ A-     U-     AUAAAGC 
 120       110       100        90         80         70