The centre points of Enclosures B, C and D — each the midpoint between the front faces of its two central pillars — sit almost exactly on the vertices of an equilateral triangle about 19.25 metres to a side, a fit within roughly one-and-a-half percent.2
That precision suggests B, C and D were laid out as a single geometric project, with Enclosure D at the head of the hierarchy. Enclosure A, square in tendency and dated later, reads as a step toward the rectangular rooms of Layer II.1,2