C141 Sea Exits

"It's very possible. Brother Tian, you truly have strong comprehension ability." I couldn't help praising her.

"Since it's a 'W' sign, it means that there are two exit marks."

"We can do a coordinate calculation based on W." I looked at them. "Get paper and pens."

They all shook their heads. I looked at the floor gloomily. There weren't any stones