10          20        30        40        50        
UUUCUUCCAAAGAAUAC--|   U    CU  UG   A            AACUAGAUU 
                   UCUA GAAU  AG  GAA CAUUUCUGCACA         A
                   AGAU UUUA  UC  CUU GUAAAGGCGUGU         U
AGGUUUUUACAUCCGUUUG^   U    CC  GU   C            GACCAUAGG 
      110       100        90        80        70        60