Answer

"The gate is breached, A-009 has escaped.

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"Repeat, the gate is breached, A-009 has escaped."

On this night when the alarm sounded, some people in Da Teng City were destined not to sleep.

Wei Shu stared at the dozens of screens flashing in the emergency meeting room, his expression tense, the emergency report tightly clenched in his hand crumpled into layers of folds.

The veins on his forehead bulged, and his fists slammed heavily against the console. He couldn't understand, "How could the gate be breached? With so many guards in the prison, how did A-009 escape?"

"Da Teng City has only taken custody of A-009 for three days, and there's already an escape incident. The emergency report says the gate breach was due to a 'Deep Sea' network problem... but how could 'Deep Sea' have a problem?"

Wei Shu turned to look behind him, "Regardless, it has already escaped. Ms. Nan Jin, you are the specialist responsible for escorting A-009, you should be very clear... about the danger of this thing escaping, right? We must recapture and imprison it as soon as possible!"

At the entrance of the meeting room, a woman with long red hair, wearing a black, oversized windbreaker, was currently coiling her hair with her hands behind her head.

She didn't respond to Wei Shu, but calmly stared at the flashing screens.

Dozens of staff members were each responsible for a screen, each screen divided into dozens of sections. All surveillance from the gate to the containment city had been retrieved, but no one found anything abnormal... After the alarm for the gate breach sounded, A-009 seemed to have vanished into thin air. This surveillance network could capture the trace of a mosquito flying by, but couldn't capture a single hair of A-009.

Nan Jin slowly coiled her long hair.

Her gaze turned dark, listless, and at the same time, the light sources from the dozens of screens and hundreds of surveillance feeds suddenly slowed down in her eyes.

It wasn't that A-009 had really disappeared.

It didn't possess the ability to teleport, it was just too fast, so fast that... ordinary staff members couldn't capture its movement trajectory without slowing down the speed.

Noticing the change in the light in Nan Jin's eyes, Wei Shu solemnly raised his hand, gestured for the operating personnel to be quiet, and not disturb Nan Jin's observation.

The entire meeting room was silent.

Finally, Nan Jin locked onto a screen. In a view slowed down by nearly twenty times, the shadow of A-009 appeared, like a gloom shrouded by a flock of crows. Even a glance would make one feel oppressed.

The woman's gaze slowly followed, moving from one screen to another, while simultaneously mapping out a winding escape trajectory in her mind.

During the gaze, two lines of clear tears slowly flowed from those listless pupils.

"It last appeared on... Light Rail Line 13. The last leg of the train journey is very long, it can't get off." The windbreaker woman glanced at the time and said softly, "If we take a shortcut, we can intercept it at the tunnel exit."

Wei Shu had already been waiting at the console. The moment he heard Line 13, he immediately personally retrieved the surveillance of several main roads along the way, slowed down the speed, and sure enough, he saw that ghostly, phantom-like shadow... After breaking through the gate and escaping, that shadow fled all the way towards the suburbs of Da Teng City.

"You want to stop it, alone?" Wei Shu frowned, "Catching an A-class fugitive is no small matter, I suggest you directly ask Mr. Shu for help."

"It's too late. The teacher is very busy... If you can guarantee backup, then I can handle this." Nan Jin looked at Wei Shu and asked coldly, "Besides, can you afford to wait? If we miss this opportunity, who knows when we'll be able to lock on next time..."

This woman was very perceptive.

Wei Shu's expression was gloomy. The other party was right... This was a golden opportunity that couldn't be easily missed.

And it seemed that A-009 was determined to escape Da Teng City. After tonight, trying to hunt it down would be like searching for a needle in a haystack.

"Then... take action! As long as you can stop A-009, I will guarantee sufficient backup!"

Wei Shu made up his mind, and at the same time, he felt somewhat relieved. Fortunately, it was Line 13... At this time of night, this kind of light rail heading to remote suburbs wouldn't have many passengers.

"Wait... what is that?"

"Zoom in."

"Zoom in again."

Wei Shu suddenly saw a speeding black dot in the last surveillance footage.

At the same time, a series of black lines also appeared above his head... After zooming in on that surveillance image, it could be vaguely seen that a teenager of about seventeen or eighteen years old was sprinting all the way, boarding the last train that should have left before the light rail closed.

Which unlucky guy is this?

"..." Wei Shu looked at Ms. Nan Jin, "Can he be saved?"

The woman in the trench coat was silent.

"Light Rail Line 13 will pass through a very long tunnel. He will be with A-009 for at least... 20 minutes." Ms. Nan Jin looked down at her watch and said a cold joke with a blank expression, "When I arrive, he should still be warm."

Wei Shu's expression was complicated. As an insider who had read the files, he knew very well what being with A-009 for 20 minutes meant.

It would be good if he was still warm.

He offered a silent tribute to this young man.

Immediately afterwards, he restrained his expression, took a deep breath, and threw these distracting thoughts behind him. The most important thing at the moment was to direct the subsequent containment work. He had chosen to go all in, and there was no turning back. He must successfully contain A-009 tonight, so as to minimize the losses...

"Connect to 'Deep Sea', open permissions, I need assistance."

Wei Shu's voice echoed in the control room.

When he said the words Deep Sea, the person in charge couldn't help but look solemn. The emergency report submitted by the rear this time believed that the cause of A-009's escape was an error in the operation of Deep Sea.

Wei Shu couldn't completely believe this report.

Because "Deep Sea," this huge network covering and connecting the entire East Continent, had been operating closely and comprehensively for more than 20 years, perfectly completing all tasks in the past millions of event calculations, and never making a single mistake... And this time, he preferred to believe it was a false alarm from the staff. In fact, there were always false alarms every year, and they would always be proven to be human errors later.

The big screen dimmed, and a waiting image of layers of sea waves sweeping and washing appeared. The loading effect in the lower right corner was very retro. If you looked closely, you would find that it was a blurred girl pieced together from mosaics, running in place on the beach, stepping on the sand.

Wei Shu tapped his fingers, waiting patiently.

Finally, the room was filled with brilliance, and a clear, sweet, and gentle voice rang out in the control room.

"Deep Sea is connected... Serial number V349708069527, I am happy to serve you."

The lights are dim.

The train is bumpy.

This light rail is a long snake crashing into the end of the broken night.

And Gu Shen was in the belly of the snake. He saw the tall lady's eyes, which were completely different from normal people's, emitting red light were two snake-like vertical pupils, slender as swords.

The lady's voice echoed in the empty carriage of the light rail.

"Yes... obviously, you touched it."

And Gu Shen's answer followed closely. Cold sweat seeped from his forehead, and his voice trembled, but his consciousness was clearer than ever.

One hand touched thediscipline ruler (discipline ruler), and the other clenched the sharp knife.

The tall, formally dressed woman paused, seemingly a little disappointed.

She paused for a moment and continued to ask politely, "Then... why?"

In the dim, blazing light, Gu Shen stared intently at the old newspaper stained with blood on the lady's lap. He tried to make out the contents of the newspaper, but the light was too dim to see clearly.

Gu Shen chuckled softly, "Madam... forgive my bluntness, not everything can be perfectly embodied and materialized, but when we touch larger domains, we will only have more than we imagine. Infinity is already encompassed between 3 and 4."

The red glow in the tall, formally dressed woman's serpentine pupils flickered faintly.

She moved her lips, seeming to smile.

Seeing this smile, Gu Shen felt a chill run down his spine. He maintained a relatively safe distance, slowly inching forward. The oppressive feeling enveloping his heart had not dissipated.

He had no doubt that if he said the wrong word, or even a single syllable... it would trigger the formally dressed woman's condition for drawing her knife.

So he could only remain silent, slowly approaching the woman in the tranquility of silence.

That newspaper was the only medium through which he could understand the other party's information. If he could see it, it might be helpful.

But the lady only uttered two words softly: "Continue."

"...π is an infinitely non-repeating constant, which means it has endless precision, and on a ruler with limited precision, there is no point that can mark π."

As Gu Shen spoke, trying to steady the other party, he slowly squatted down, looking up at the tall woman in the cramped space. This sentence seemed to enrage her. The smile on the woman's lips disappeared instantly, and her eyes became as cold as a snake's.

She gripped the boning knife, and the entire Light Rail Line 13 surged with bone-chilling cold wind.

It was at this moment that Gu Shen saw the newspaper trembling in the wind, and the scarlet blood-red characters... a series of numerical symbols, and proof formulas.

Somewhat familiar.

Where had he seen them before?

His brain was working frantically.

Gu Shen recalled the scene when he first saw the woman. At that time, she was reading the newspaper... with a look of infatuation.

So, so that's how it is.

"Even so, I still firmly believe that between 3 and 4, one can touch π."

Gu Shen looked up, his voice a little hoarse.

"Madam... as for the reason, you and I both know it, don't we?"

"Alan Turing."

When Gu Shen uttered this name, the tall lady's body visibly shook.

She stared at Gu Shen in surprise.

Yes, Gu Shen had found the "answer"... the lady wanted him to continue, not to hear the proof process, but to seek a common aspiration.

The dense mathematical symbols and proof formulas on the newspaper pointed to the ultimate object of worship and adoration in the tall lady's eyes, filled with fervor.

She wanted to hear only that name.

Alan Turing.

The famous figure who created the Deep Sea network, few people know that he was also a mathematician, and in the field of mathematics, π is within the set of 3 and 4, easily within reach.

In the field of physics, π is more like a non-existent fictional number, untouchable, and even more impossible to be represented by a scale.

After this name was spoken.

The cold wind of the Light Rail suddenly died down.

The flickering lights seemed to go out as well.

The lady's expression softened, and she reached out a hand, seemingly wanting to help Gu Shen up, but a ruler slipped out of her sleeve, the silver ruler she had been gesturing with earlier.

Gu Shen was stunned for a moment, and subconsciously reached out to take the ruler.

The next moment—

The two people connected by the ruler separated.

The Light Rail drove out of the tunnel.

The howling wind poured down, and a sense of weightlessness suddenly struck. Gu Shen was thrown uncontrollably, clutching the ruler, and fell heavily to the ground.

"Thump!"

Gu Shen's expression changed, and he heard a muffled sound, as if something heavy had slammed onto the Light Rail car. Above his head, a pair of visible footprints were imprinted—

Countless sparks and arcs of electricity burst out.

Accompanied by an ear-piercing and sharp roar, a long knife pierced through the iron skin of the carriage at an angle, piercing into the shoulder of the tall woman in the formal dress with unparalleled precision, like a nail, pinning the tall woman firmly to the side of the carriage.

Immediately afterwards, a second knife was inserted into the top of the carriage. The blade rotated, like cutting paper, and a large piece of iron skin from the top of the carriage fell off. A red-haired woman in a large windbreaker landed with a bang on the iron sheet.

Nan Jin landed directly in front of Gu Shen.

She narrowed her eyes, glanced back at the young man who was hugging his clothes and sitting down, and reported with utmost calmness.

"Wei Shu... that unlucky guy is still alive."

Unlucky guy, that's not a bad name, at least it's appropriate... Gu Shen grimaced, hugging the iron railing to steady himself. That just now hurt too much, his butt felt like it was broken into eight pieces.

Now the feeling all over his body, besides pain, is dizziness.

He carefully held the ruler in his arms, hiding it inside his clothes. The touch of this ruler was unexpectedly cool, making him exceptionally clear-headed.

The woman in the black formal dress, who was pinned to the side of the carriage, was now extremely angry. She reached out a hand and grabbed the long knife that Nan Jin had nailed into her body, wanting to pull it out.

"Chī—"

The moment her five fingers touched the long knife, the blade burst into flames, and the bright silver light illuminated the entire carriage!

The lady screamed in pain and had to let go of her palm.

The silver blade was burning with intense light and fire, but the flames were also rapidly dimming—

Obviously, time was limited.

But at this moment, Ms. Nan Jin did not act, but chose to wait.

She was waiting for Wei Shu's instructions.

The current crackled.

"Transfer the battlefield, first rescue this young man named 'Gu Shen'."

Wei Shu's voice rang out, each word without emotion:

"Do not fight A-009 on the train. This is the optimal solution given by Deep Sea."