10          20        30        40          50        
UUUUCUUCCAAAGAGUA--     U    C   UG   A  C         --| CUAGAU 
                   CUCUA GAAU UAG  GAA CA UUCUGCACA  GG      U
                   GGGAU UUUA AUC  CUU GU AAGGCGUGU  CC      A
CAGGUUUUUGCAUCCGUCC     U    C   GU   C  A         GA^ AUAGGU 
.       110       100        90        80        70        60