Aprime example of art from the hellenistic era is

The laocoon group is your answer

Flower date girl. your drawings are amazing! ; )

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"