riddle

Beats the **** otta me, I'll tell ya.

Btw, if it has 12 sides, how can it be a 'square'?

The poor grammar could imply that the "it" was a twelve sided object in a square (or piazza) such as a campanile or church. e.g.
http://cargocollective.com/amandaguarini/The-12-Sided-Tower

or maybe it is a reference to the Pythagorean obsession with the dodecahedron.

yes, I did think of that -- that the 'square' was not, in fact, a square in the geometric sense but a central location in the architectural sense. Is a 12-sided piazza particularly unusual? I have no idea.

Orvieto. And my name-sake St. Andrew yet. I'm impressed.

could be a rubik's cube?