10         20         30        40              50        
UCAAGAUCUUUUUUAAA-     UAUGA-   A          --   ----|   UUUUGUGCA 
                  CUGAU      AGC CCCAAAACGG  GGC    UCUC         U
                  GACUA      UUG GGGUUUUGUC  UCG    AGAG         G
GUUAUGGUACAACAUAUA     CAGGUG   C          UU   UGAA^   UGGUAUUAA 
  120       110       100        90        80        70        60