10          20        30        40        50        60  
AAUCAAGCUCAGAUUUGAA--|            G       AA           GCACCUGA 
                     UUCCGACCAAUCA CGAUUCG  CUCCGCCCACU        U
                     GGGGCUGGUUAGU GCUAAGC  GAGGCGGGUGA        U
UUAAGGGAGGUUUUACUCUUG^            A       --           ACAGUUGG 
  120       110       100        90          80        70