10         20         30        40        50        60        70  
CGCUUCCUGGUUAUCAC-     -|         A      C    U       UUGAGAUAAGGUCAGCUGU 
                  GUGAC GCAGUUUGGC CGAGCU AACG GCAAAAC                   \
                  CACUG CGUUAAACUG GCUCGG UUGC UGUUUUG                   U
CAACAACAACAACUAUCA     A^         C      C    U       UCGUACAUCGCCGGUCGGC 
   140       130       120       110       100        90        80