Chemistry is a chimera of science and art:

Left: Sunflowers by Vincent van Gogh (Copyright, Neue Pinakothek, Munich). Right: Types of annulated oligothiophenes: sulflower (1), linear 2, helical 3, and circulenic 4.

Oriented by theoretical calculation:

Calculated strain and geometries for fully thiophenic circulenes (n=number of thiophene rings). S yellow, C gray.