>>> DihedralGroup(6).minimal_blocks()
        [[0, 1, 0, 1, 0, 1], [0, 1, 2, 0, 1, 2]]
        >>> G = PermutationGroup(Permutation(1,2,5))
        >>> G.minimal_blocks()
        False

        See Also
        ========

        minimal_block, is_transitive, is_primitive

        c