private void CreateGR(int n, int type)
        {
            Guid guid;

            if (type == 1)
            {
                guid = Guid.Parse(string.Format("00000000-0000-0000-0000-{0:X12}", n));
            }
            else
            {
                guid = Guid.Parse(string.Format("{0:X8}-0000-0000-0000-000000000000", n));
            }
            IEchoGrain grain   = GrainClient.GrainFactory.GetGrain <IEchoGrain>(guid);
            GrainId    grainId = ((GrainReference)grain.AsReference <IEchoGrain>()).GrainId;

            output.WriteLine("Guid = {0}, Guid.HashCode = x{1:X8}, GrainId.HashCode = x{2:X8}, GrainId.UniformHashCode = x{3:X8}", guid, guid.GetHashCode(), grainId.GetHashCode(), grainId.GetUniformHashCode());
        }