C170 One-man tower demolition
"If the Great Zhou Empire can only defend two of the towers, then it must be two of the other towers. If one of them falls, we can immediately go and support the other one."
An image floated in Ye Xuan's mind.
If the first guard post was number 1 and the one under his feet was number 2, then Tang Tian should be going to look for number 3