<<smt=<m|a=<mt<=<mea=<mea=<met=<mem=<met=<meA=<mea=<mem=<me=<mfA=<mmt=<m|a=<mt<=<mea=<mea=<met=<mem=<met=<meA=<mea=<mem=<me=<meA=<met=<mma=<met=<met=<mma=<met==