10         20         30        40          50          
UUUUUUUAUUGCAAACU-   AUUCA-    A    C     UUC--|  U      AAGCUU 
                  GAU      CGAU AGCG UAUCC     CGU GUAUUC      \
                  CUA      GCUA UCGC AUAGG     GCA CAUGAG      G
UUGAAAUGGUUGUAUUGG   GUCUGA    C    A     CUCGU^  -      CUGUUG 
120       110       100        90        80         70