You will see some white dots and some black dots. A changeable dots is moving between two group of dots. It's safe when white dots hit white dots and black dots hit black dots. click mouse to change the color of the moving dot.
You will see some white dots and some black dots. A changeable dots is moving between two group of dots. It’s safe when white dots hit white dots and black dots hit black dots. click mouse to change the color of the moving dot.
