There are always ***6 1 stairs in the office building, okay?

Hello! Glad to answer for you! Yes, you can. Generally speaking, China's national design code stipulates that the number of outdoor steps is three to nineteen. People are used to walking left and right, ranging from three steps to nineteen steps. If there are many steps, it is necessary to design a rest platform so that people can rest on their backs, relieve fatigue and move on. The number of outdoor steps requires that Anyang residence must be odd, odd is yang and even is yin.