C1520 What a Big Game of Chess

Hearing Liu Lei's serious words, Zhou Bai obviously realized the importance of this matter and didn't dare to relax at all.

After marking all the points, he checked them over and over before reporting:

"Captain, I've checked many times already, there's absolutely no mistake, that's all."

As he said that, Zhou Bai turned his laptop around and showed it to Liu Lei. On it was a city map