10            20        30        40        50        60    
CAACUAACAAUUUGAAA----|  UC  U              AAU           UGGUUAAAAU 
                     AGC  GA CUUUGUGGAAGACU   GAUUUUGUGUU          \
                     UCG  CU GAAACGCCUUUUGA   CUAAAAUACAA          U
UUAAAAAUCGACAAUCAAGUU^  U-  -              AU-           UUCUUGGUGU 
      120       110         100        90         80        70