@classmethod
    def unrank_gray(self, rank, superset):
        graycode_bitlist = GrayCode.unrank(len(superset), rank)
        return Subset.subset_from_bitlist(superset, graycode_bitlist)
Gets the Gray code ordered subset of the specified rank.
dataset/ETHPy150Open sympy/sympy/sympy/combinatorics/subsets.py/Subset.unrank_gray