10         20         30        40        50        60        70        80   
CAUUCGUUUGUGAAUUUC-     -|  A      C       CU     AA    UCGUAACAUUUCUUCUCAUUGUUGUGCU 
                   AGUGA GGA UGACGG GGAUACU  UCUAG  CAGU                            \
                   UCACU CCU ACUGCC CCUAUGA  AGAUC  GUCA                            C
GGACUAAAGGGCAACUCAA     A^  C      C       U-     A-    UUAUAUUAUCGUGCUAGUGUUUACUGUG 
   160       150       140       130        120        110       100        90