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1 side of Cube A squared x pi = the area inside the Outer Bank’s outer circumference, 1 side of Cube B squared x pi = the area inside the Inner Bank’s crest, 1 side of Cube C squared x pi = the area inside the Sarsen Circle’s outer circumference. Below: The 0.3168 Roman mile perimeter square fitted tangent around Stonehenge’s 0.248832 Roman mile circumference Outer Bank refers to a 31680 mile perimeter square fitted tangent around the earth’s 24883.2 mile circumference, the Outer Bank’s 3168 Roman digit radius relates to the earth’s 31680 furlong radius. Before the equator bulged it had a 24883.2 mile circumference = 18247.68 Roman leagues and 18247.68” is how far it turned in 1 second which is recorded by the square’s 18247.68” perimeter (= 0.3168 Roman miles). The original equatorial rotation speed per second calculated via 864/275 was 0.3168 Roman miles = 18247.68” this was when the equator had no bulge and had a 18247.68 Roman league circumference. Each 18247.68” circumference circle represents a scale model 18247.68 Roman league circumference great circle of the earth, an 18247.68” circumference circle = 4.224 acres via 864/275 and equals the area of the full design vertical section, 4.224 acres x 864/275 = 1327104 acres which is the area of the 3168 Roman palm square base which has a  3168 Roman feet perimeter. The 13.27104 acres of the base x tan 1.273148148 = 16.896 acres and this is the area of a 3168 Roman feet circumference circle, the full design vertical section is an analogue of one quadrant of the 3168 Roman feet circumference circle. 