tensions rises, and some sort of crisis occurs and reaches its climax (development). Then the crisis is resolved (recapitulation). Maybe there's a twist at the end (coda). The mains “scenes” within sonata-allegro form are 1) exposition, 2) development, and 3) recapitulation.
I believe the correct answer is: in semicircle.
Nanni d'Antonio di Banco was a sculptor from
Florence, Italy, whose significance lays in naturalism and individuality of the
figures in his artworks, but also the complexity of construction of a sculptures
which represent a group. He achieved unified spatial composition by placing the
figures in the semicircle and in relation to one another, such as sculpture “Quattro
Santi Coronati”.
It means that there are 3 beats per measure and one quarter note equals one beat.