
Galaxies (also known as "Tentai Show," "Sym-a-Pix") consists of a rectangular grid with dots.
The goal is to divide the rectangle into exactly one region per dot that is two-fold rotationally symmetric around the dot.

Galaxies (also known as "Tentai Show") consists of a rectangular grid with dots. The goal is to divide the rectangle into exactly one region per dot that is two-fold rotationally symmetric around the dot.