500本金7码滚雪球算法

简介：Su Can thought for a moment and said: It's okay. I'll take time off to go to the bathroom. When I pass by the class where you are taking the exam, please pay attention. I put the small note in the top gap of the second row of the men's room. , when the time comes, you ask for leave and come out to get the note. Well, one thing is that we must be separated from each other.