10         20        30            40        50        
AGGCGCACGUCCACCACU-        U  GC-      ---|   A      A   UCGUA 
                   GCAGGUGG GC   GUCUCA   AGGG CUGUGA ACA     \
                   CGUCCAUC CG   CAGGGU   UCCC GACACU UGU     A
CCCUGUUUCUCUACAGAAU        -  ACA      UCG^   -      A   UUACC 
      110       100         90        80         70        60