10           20         30         40        50        
GGACGUCGUGCGGAGCU---|U  -  GA              -  AUA        GUAUG 
                    G GC UC  UGGGCUUGACAUCA UC   CUUGGGAU     A
                    C CG AG  ACCCGGACUGUAGU GG   GAACCCUG     C
UACCCUUUGGCUGUGUCCUA^-  U  A-              C  AC-        AAGCA 
      110       100          90        80         70        60