At the city fair today, the City Color competition will be held during which the most attentive and clever person will be revealed. You will be able to take part in this competition. You will see two circles on the screen. Each circle will be divided into several color zones. By clicking on the screen you can rotate them in space in a certain direction. From above, balls with certain colors will fall at different speeds. You will need to rotate the circles to substitute exactly the same color zones for them and thus receive points.