Fuente TeX:

\{ \frac{\pi}{36}, \frac{\pi}{36}+ \frac{\pi}{3}, \frac{\pi}{36}+ \frac{2\pi}{3}, \frac{\pi}{36}+ \pi, \frac{\pi}{36}+ \frac{4\pi}{3}, \frac{\pi}{36}+ \frac{5\pi}{3} \}