10         20         30        40        50        60        70  
GUGUGCCUCGACGUUUC-   -|   C   C  G      UC         A   GUGAUCGUAAACCUUGUA 
                  ACG UCCG CUG CG GCCUGA  CUUUGCUCA CCU                  U
                  UGC AGGC GAC GC UGGACU  GAAACGAGU GGA                  U
UUAACACGCCACUCUUUC   U^   U   U  G      UU         -   GGAGGGCGUUUCCUCCCA 
   140       130       120       110       100         90        80