When each concentric circle set of radial composed units of 3step-reducing-join are share as one set like the figure below,
that integrated view is able to assume appearance of one more upper class unit.
Applications of this status of matrix system to relics carved formative concentric circle sets are found in wide Eurasia of land area and centuries,
as the gauge to provide actual fabrics around concentric circle sets of ancient disks and Mahayana sculpture's halos.
6 radial connection
８ radial connection
