* By clicking on 2 adjacent balls change color.
* If they are of equal color change 2 to the same color.
* If they are of a different color change to different colors.
* You can only click 2 adjacent balls.
* The movements permitted are horizontal and vertical.
* You can click on the balls every time you want.
* You win when all the balls are the same color.

*** If pressing 2 balls, one is black, do not change color. ***