C366 Law (2)

"Listen to my command and move on." Pei Qin said while calling me to stand in another corner, and then she stood in the third corner herself.

"Determine where the fourth person in this room is, and we can use this popular method. I'll start walking first, then when I reach Liu Ding, I'll pat his shoulders. I'll replace his position, and then he'll walk forward and pat Xiao Li's shoulder