10         20         30        40            50         
UCAAGAUCUUUUUCAGAAC-   UAA-     A          --     --|   UUGUGUAU 
                    GAU    GUAGC CCCAAAACGG  GGCUC  UCUC        G
                    CUA    UGUUG GGGUUUUGUC  UCGGG  AGAG        A
GUUAAGGUACGACAUAUAGA   CAGG     C          UU     AA^   UGGUAUUA 
  120       110       100        90        80        70        60