at this time, Qingchen felt someone approaching in the cabin. He closed his eyes and carefully analyzed the breathing sound of 21 people in the Class A floating airship, including four pilots.,"4103031." Qingchen said 27 digits in one breath, which is the identification code that Takahashi Dongshu has memorized countless times, and each member of the Baqi organization has its own independent and must be memorized.,Ten of them are still trap questions, and Qingchen is also perfect.。