C336 First Play
It seemed like the leader of the group of four was Xu Zisen, followed by Cheng Jialiang. The third person following behind was not Cheng Mufan, but Zhang Xiujun, Cheng Mufan, or it could be said that Cheng Mufan was the leader of the group.
Of the four people, only Xu Zisen knew that the person behind the line was either Xuan or Ming Fengqiu.
Xuan and Cheng Mufan were on the same level