"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
My grandfather had two boys, my uncle had three boys, my dad had me and my two brothers, each of my brothers have had two boys. Then something happened with the chromosomal experiment and suddenly I've got three girls.
Far from creating a new formalism, what these can yield is something far transcending surface values since they not only embody form as beauty, but also form in which intuitions or ideas or conjectures have taken visible substance.