10        20          30        40        50        60  
AAAAUGUAUACAACCAGC  C--|       U   A           A       UUGUCGAU 
                  GC   GGGAAGUC UCA UUCCGUAGUGC UUGCAGU        \
                  CG   UCUUUUAG AGU AAGGUGUUACG AACGUCA        U
AAAAAAAACAACUAAACA  AGA^       U   A           -       UUAAUAAU 
  120       110       100        90        80         70