Move moue to connect balls with same color. Click ball to cancel the link with it 移动鼠标即可连线 点击球球即可取消已连的线 注意，可能程序会跟不上您飞速的鼠标晃动，这时请稍微慢点
感谢 微信小程序 连连线 Thanks to "LianLianXian", a little program in WeChat
