C3047 Seventy-two Islands(part I)

"Three things!" Dongfang Qingyu interrupted Xiao Yiren's self-reflection and said in a serious tone, "The first thing you need to do is to organize people and get a map of the current sea area. I don't think the previous map can be used anymore. After the system update, there must be a big change, and we need to redraw the map of the sea. "

"Yes!" Xiao Yiren was not an idiot