986.452 " These 12 inter-closest-packed-sphere-tangency points__the C points__are the 12 exclusive contacts of the "Grand Central Station" through which must pass all the great-circle railway tracks of most economically interdistanced travel of energy around any one nuclear center, and therefrom__through the C points__to other spheres in Universe. These C points of the rhombic dodecahedron's mid-diamond faces are also the energetic centers-of-volume of the Couplers, within which there are 56 possible unique interarrangements of the A and B Quanta Modules." -R. Buckminster Fuller
56 UNIQUE INTERARRANGEMENTS OF THE A AND B QUANTA MODULES: