There is also monitoring in the corridor on this floor, and Bai Song can already habitually find monitoring, and this ability has been available before, and ordinary people will also have it. But after the anti-tracking training taught by Master Qiao, Bai Song's ability in this regard has been greatly strengthened, as long as the pinhole camera is not very far away, he can easily find it.

The two quickly arrived at the door of the activity room, went in and found a table tennis table to look at.

Here are two old men playing table tennis, the two sides come and go, the technology is very high, the ornamentation is also very strong, more than a dozen people around watching.

The skill of smashing and catching the ball is so high, Bai Song is stunned, no wonder people say that the level of the old man in the community is enough for the Warring States table tennis. But even so, there are still a few uncles who say "that's it", and each of these people is holding a beat and eager to try.

Bai Song didn't understand these beats, and chatted with Liu Shuyuan, Liu Shuyuan generally still knows about some high-end brands, what Kestine, what Dark, in short, a beat is basically Bai Song's monthly salary.

Those who are serious about buying auctions are all buying one, not buying a pair, and the uncles who come here are all local tyrants...

Soon, an uncle was defeated, and someone immediately took over...

The uncle who came down was a little frustrated, and put a guard plate on his beat, and put it on the windowsill, looking a little tired.

"Old Sun, you've won seven rounds, and you're still unwilling!" someone joked.

"It's not okay to be old if you don't accept it, your physical strength can't keep up!" Lao Sun said happily when he heard this.

It can be seen that many people know each other, but these people also have good personalities, and they don't pay much attention to Bai Song and the others.

If you are not familiar with it, it is very polite not to always stare at others.

The two chatted for a while, found a blind spot for monitoring, and there was a chair to sit on here, and Bai Song talked about what had just happened.

"Do you remember the last time you climbed the stairs, how many floors was that lab?" Bai Song asked.

"I'm not impressed. Liu Shuyuan shook his head: "It should be on the tenth floor, right?"

"Well, I remember that too, but I always feel weird. Bai Song frowned slightly.

"What's weird?" Liu Shuyuan didn't feel that there was anything wrong at all.

"Don't you think, last time we went down from the laboratory to the sixth floor, it seemed like we only walked three floors?" Bai Song's face wrinkled even deeper.

"You mean, on the ninth floor?" Liu Shuyuan was a little puzzled.

"No, I remember that from the thirteenth floor to the laboratory, it is also three floors. Bai Song said: "But I didn't count, I'm not sure." ”

"It's so eerie, who counts this thing. Liu Shuyuan pointed outside: "Why don't we count them again?"

"No, I always feel that there is something wrong with this corridor, let's go rashly, I don't know what will happen. Bai Song shook his head cautiously, the corridor was too dark, and he was unwilling to take meaningless risks.

"What should I do then?" Liu Shuyuan thought for a while: "I think you are still nervous, we didn't think about these things at all last time, how can you determine the number of layers?"

"But..."Bai Song bit his lower lip: "Just now I silently counted the time, the moment the elevator closed the door from the seventh floor to the tenth floor, it took about 9 seconds." But from the moment the door was closed on the tenth floor to the thirteenth floor, it took about 12 seconds. ”

"Are you sure?" Liu Shuyuan was amazed at Bai Song's strong psychological quality, in that situation just now, Liu Shuyuan's spirit was completely affected by the situation on the tenth floor, and he didn't think about anything else, how could he consider such a thing as counting? And what is the reason for this counting?

"The error is less than one second. Bai Song nodded.

On the one hand, Liu Shuyuan was shocked by what Bai Song said, and on the other hand, he also had a deeper understanding of Bai Song's "metamorphosis". This is not a matter of the ability to count and count seconds at all, there are people who can verbally count seconds and have an error of less than one second in a minute, but in this environment, Bai Song is still thinking about a few seconds by the way, which makes Liu Shuyuan a little speechless.

But now is not a matter of thinking about this, Liu Shuyuan is now a little too convinced of Bai Song's words, and he subconsciously began to think about what this matter means.

Assuming that the elevator does not have the problem of changing speed on different floors, then there is one less floor between the 6th and 13th floors!!

"Impossible", Liu Shuyuan thought about it, only to realize that something was wrong: "From the outside, this building is indeed thirteen floors!"

"Of course it's thirteen floors, it's impossible to rule out everything", Bai Song pointed upstairs: "It's possible, there is another layer above this." ”

Liu Shuyuan was stunned, he thought about it, and felt that what Bai Song said might really be true!

In any building, fire exits and safety exits are a must, so the downward corridor here is generally not 0 sealed, but the hospital seals the upper floor is indeed a routine operation, and no one will ever check. As long as there is no fire in the hospital, no one ever asks to go to the rooftop for a check-up.

In addition, the hospital may still have a bit of a backstage, if it is true that this floor is twelve floors, and there is another floor upstairs, it is normal that there are no relevant departments to conduct door-to-door investigations.

And because the windows can't be opened, and the building is one-way glass, sometimes it's really impossible to determine which top floor is in the usual sense.

This hospital is opposite the prison, there are no high-rise buildings nearby, and it is also a no-fly zone for drones... It's really 12 floors, and no one will be able to find out.

How many people will run into the gloomy hallway to count the floors?

Liu Shuyuan became a little excited, this kind of big discovery often means big problems! And big problems are often very interesting!

Bai Song saw Liu Shuyuan's appearance, and his heart was a little calm, but he still said: "We have to withdraw, if there is really such a big problem here, then we will be really easy to be discovered, even if we will not be in danger at that time, it will not be good for them to transfer or destroy illegal and criminal things in advance." ”

"Well, withdraw, turn around and derive faces, and the old policeman will come and check slowly. Liu Shuyuan agreed with Bai Song's statement.

"Don't worry, it's exposed, it's easy to say. Bai Song was still calm.

No one should pay attention to the monitoring at this time, the things downstairs are not finished yet, if it is really as estimated by Bai Song and the others, there is a big problem in this hospital, then it is normal for the hospital to pay attention to the police, and it is normal for so many police officers on the first floor to attract so much attention.

Bai Song is very good at using various environments, but now it is estimated that the downstairs has also eased up, and if he stays any longer, it will be easy to have problems, and the two left directly and took another elevator downstairs.

Now is the safest time, but next time, the two will never be able to come again.

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