假设汽车尾灯左右两侧各有3个指示灯，要求：汽车正常行驶是指示灯全灭 右转弯时，右侧3个指示灯按右循环顺序点亮：左转弯时，左侧3个指示灯按左循环顺序点亮 临时刹车时所有指示灯同时闪烁。-Assumptions about car tail lights on each side of three, asked: car traffic is light Quanmie normal turn right, press the right circle on the right sequence