alphaOmegaalphaalphaalphaalpha....alphaalphaOmegaOmega....alphaalphaOmegaalphaOmegaalphaalphaalphaalphaalphaalphaOmegaalpha-OmegaalphaalphaalphaOmegabetaOmegaOmegaOmega-alphaOmegaOmegabetaalphaalphaOmegaalphaOmega...alphaOmega....OmegaOmega-alpha.......alphaalphaalphaalpha