don't open your eyes [unlimited]

Ling Su supported Zhuang Die's body, carefully guarded the little curly hair, and took Zhuang Die from under the floor to his room.

He was about to get up, and after listening to the movement, he grabbed Wu Li by his collar and pushed past Wu Li who was knocking on the floor: "What else is there?"

Wu Li squatted on the toilet cover, half of his body directly penetrated the wall.

He followed the two into the bathroom, and watched himself emerge from the floor of another room, so frightened that he couldn't speak: "I, I—"

Ling Su also lifted him off the floor.

Wu Li was stunned in shock. In fact, he hadn't calmed down at all. He stammered, "This dream...does it still have magical elements? Diagon Alley, Platform Nine and Three Quarters..."

"Probably not." Zhuang Die shook his head, "So far, there is no part of this dream that requires forced introduction of supernatural power to explain it."

Wu Liqian swallowed, he didn't know whether to breathe a sigh of relief or regret: "Oh."

Zhuang Die added several annotations on the cube.

"The digital prompts in several of our rooms are already obvious." Zhuang Die drew an arrow and looked up.

"I live in room 527." He listed the numbers one by one. "In the room where I interact, room 421 belongs to the captain, room 424 is the quarrelsome twist, and room 315 is the room of other residents."

"Is it obvious?" Wu Li couldn't help murmuring in a low voice, "The other residents have no idea at all..."

In the middle of what he said, Ling Su glanced over, and immediately shut his mouth firmly.

Zhuang Die didn't hear his interruption, and just continued to say: "I tried to find the pattern on the whole. 421 is a prime number, but the rest are not. These numbers can't be substituted into anything I can memorize The formula cannot be simply translated as a digital cipher.”

"So, I can safely go back to my original guess."

Zhuang Die cut the numbers made of light, put the floors together separately, and put the rest on the other side: "Maybe the numbers themselves should not be connected together."

In fact, from the very beginning, Zhuang Die's intuition had already given this answer.

The reason why we need to work harder to verify those counter-intuitive answers is because they are now at the most basic stage of the puzzle, and everyone has different personalities, habits, and knowledge accumulation.

If you have played reasoning games, this feeling will be more obvious - once the original intuition and the thinking habits of the questioner are slightly different, it is likely to go further and further in the next series of puzzle-solving links , worked hard to get an answer that was far from the topic, and finally got so angry that I sent a hundred bad reviews and scolded the questioner for having problematic brains and anti-human thinking.

The same is true for the Dreamland. Although the dreamer does not intend to make the problem difficult for them, the connection and construction of the subconscious mind already constitutes the puzzle itself.

"Room 21 on the fourth floor and Room 27 on the fifth floor." Zhuang Die explained, "We are more used to saying this, so I also tend to think that three, four, and five just represent floors, and the numbers behind are actually more meaningful."

"We have only unlocked four rooms so far. The serial numbers of these four rooms are disassembled, which are nine times, seven times, eight times and five times of three respectively. Why are these four rooms combined together, skipped Room NO.18?"

Zhuang Die wrote down the numbers casually while talking. At this point, it is actually much clearer than before.

暂时去掉代表楼层的3、4、5后，剩下的数字是27（3x9）、21（3x7）、24（3x8）和15（3x5）。

The floor of 21 is directly connected to the bathroom of 27, and the corridor of 27 can be seen by pushing the door of 24.

At the same time, Wu Li, whose room number is 15, could be carried directly from the corner by Ling Su, but Wu Li couldn't go back by himself.

"At this point, let's combine the floor prompts that we temporarily put aside before."

Zhuang Die added: "I live on the fifth floor, Captain and Twist live on the fourth floor, and the other residents who were taken over live on the third floor."

Wu Li tried hard to find a sense of existence: "Actually, I have a name, so my name is Wu Li..."

He thought that these two people would continue to ignore him, but he didn't expect Zhuang Die to stop and turn around and ask, "Which two words?"

"Koutian Wu." Wu Li said hastily, "It's reasonable, and there's no need to write it out...how embarrassing."

He watched Zhuang Die cross out the other residents originally written on the air blackboard, rubbed his hands a little shyly, and couldn't help but feel flattered.

It can be seen that the bottom line of a person is indeed constantly adjusted and modified by the environment.

A few hours ago, Wu Li was lying on his desk angrily writing his resignation report because his mentor and senior brothers and sisters threw him in the hotel and did not come back to save him.

After just a few hours, he felt genuine happiness from the fact that he had changed from "other residents" to a named actor.

After all, he is studying psychology. While he was happy, Wu Li couldn't help hugging himself tightly alone: ​​"Is this the daunting adaptability of people to the environment..."

While he was feeling, on the other side, Zhuang Die had finished his blackboard writing for this class.

Because he was a kindergarten teaching assistant before, Zhuang Die practiced blackboard writing for a long time.Although the content of the writing is slightly different now, on the whole, it is still not much different from when teaching the four arithmetic operations within 100: "It's almost like this."

When drawing the cube before, Zhuang Die had put together four rooms, but now he just fine-tuned the orientation of the interior of the room.

After personally following Ling Su through the room once, Zhuang Die thoroughly confirmed his thinking and drew all the rooms except 313.

As the hotel as a whole gradually took shape, Wu Li suddenly realized where this sense of familiarity came from: "Isn't this just a Rubik's Cube?!"

"It's a three-by-three-by-three stack of cubes." Zhuang Die corrected, "It's not rigorous enough to call it a Rubik's cube. There are only 26 pieces of the Rubik's cube, and I haven't found any evidence that it is rotating yet."

Wu Li opened his mouth and nodded numbly.

He didn't dare to interrupt again, just sat on the side obediently, watching the stack of cubes floating in the air and slowly rotating.

This thing does look like a non-rotating third-order Rubik's cube with a certain edge as the base and erected sideways along the diagonal.

There are 3 rooms on the first floor, forming an edge of the Rubik's Cube.

On the basis of the first floor, there are 6 rooms on the second floor, 9 rooms on the third floor, and 6 and 3 rooms on the fourth and fifth floors.

As for the last step, Wu Li can already understand it without Zhuang Die’s special explanation—the numbering starts from the first room on the first floor, the first floor is 101, 102, and 103, and the six rooms on the second floor are from 204 to 209 .

以此类推，三层是310到318，四层是419到424……五层从525开始，最后一间就是庄迭住的527。

According to this arrangement, the room numbers of the four of them happen to be adjacent to each other.

At the same time, since the interior orientation of each room is actually different, they are not stacked in the same direction in general, so there will be situations where the floor of one room is the bathroom wall of another room.

"That's not right." Wu Li noticed a detail, "Looking at it this way, Room 315 where I live shares only one edge with your Room 527. Why was I pulled here?"

"The captain pulled you here from the wall." Zhuang Die explained, "That is to say, although the process of you being pulled here seems to be just a moment, in fact, room 421 was in the middle."

Zhuang Die drew an auxiliary line: "Room 421 belongs to the captain, so his actions in that room are not restricted. But as long as he does not allow you to enter and exit, you cannot return by the same way."

Wu Li scratched the back of his head and said in a low voice, "Oh..."

"I know you probably didn't understand. It doesn't matter, these actually don't affect the cracking of the dream realm."

Zhuang Di squatted down: "You just need to know that this principle is probably enough."

Wu Li nodded awkwardly.

He looked at Zhuang Die, who looked a few years younger than himself, but his tone was patient and persuasive, and he was a model teacher, and he was deeply moved: "Are you also a teacher? You are much more patient than my teacher." ...If only I could be your student."

"Okay, it's a pity that I have already resigned." Zhuang Die didn't mind, and got up on his knees, "Since you have roughly understood the principle, the rest will be easy to handle."

Wu Li sighed regretfully and nodded again and again: "Yes, I basically understand... huh?"

He suddenly recalled that there was something wrong with Zhuang Die's last sentence: "What's left?"

"Exploring the way." Zhuang Die pointed to the other wall of the room, "Over there is room 420, we are not sure if there is anyone in it."

The four walls of the room were originally covered by furniture, but under Ling Su's eclectic creativity, they are not in their original positions now.

The reason why Zhuang Die stopped and took a little more time to carefully explain the rules of the shuttle room was to let Wu Li understand the principle in general, and to explore the way for them first.

He didn't have this plan at first, but when he saw Ling Su lift the man out from under the floor, he came up with the idea of ​​killing two birds with one stone.

"I have a little social fear and don't like to deal with too many strangers. The captain is not familiar with them, and it is easy to conflict if he enters rashly."

Zhuang Die also drew the path in detail on the air blackboard. He chose the route from Room 421 across the three rooms on the fourth floor, and then from Room 419 to Room 313: "Do you understand?"

"Yes, I can." Wu Li was a little nervous, and swallowed, "We...can't we wait for dawn and go through the stairs?"

He didn't have social fear, and he had met those colleagues face to face, but walking around through the wall in the middle of the night, even if the person in the dream didn't need to sleep, it was unavoidably weird.

What Wu Li was more worried about was that the moment he poked out half of his body from the opposite wall, he was taken as a dirty thing running around in a dream, and a chair was directly photographed as a wall painting...

"Or go to my room first." Wu Li summoned up his courage to suggest, "Go to 315 first, and go directly from 315 to 313. This is an easier shortcut."

"Yes, yes." Zhuang Die nodded, "Have you ever thought about what's in room 314?"

Wu Li was stunned for a few seconds, then looked back at the schematic diagram.

Only then did he finally realize why Zhuang Die specifically emphasized that the Rubik's Cube has only 26 pieces—because the Rubik's Cube does not need the small cube in the center.

An ordinary third-order Rubik's Cube, if it is completely flat, the second layer is actually only eight pieces.The whole cube is hollow, and in the middle is a three-dimensional cross connecting shaft, which is responsible for connecting all sides and ensuring rotation.

But Zhuang Die's room number is 27, which means that the middle part is also a room.

This room is different from any other room.It has no face exposed, no external stairs leading to this room, and no windows or doors.

This is a ghost room hidden inside the cube, completely unobservable from the outside world.

Wu Li suddenly understood Zhuang Die's meaning. Cold sweat broke out from behind him, and he stammered, "You, you mean that my teacher may—"

"It's just a speculation." Zhuang Die said, "There are six rooms directly connected to room 314 by a wall, and 420 is one of them. The residents of your six rooms are actually at certain risk."

Wu Li was cold all over. He had already realized that his mentor probably entered Room 314 by mistake, and that's why he has been missing until now.

No one knew what was inside that room, nor what would happen once inside.

But it is this kind of unexplorable unknown that will arouse the fear in people's hearts to the greatest extent.

Just the unrestrained imagination is enough to scare Wu Li into a state of uneasiness. Every wall is very suspicious, and he is afraid that he will fall into it if he is not careful...

He cleared his throat, his throat was a little dry due to extreme tension: "You, you tell me this—"

"I'm not telling you." Zhuang Die interrupted him, "I'm telling the people in Room 420."

Wu Li was stunned for a few seconds, and instinctively turned his head to look at the wall.

Zhuang Die rubbed his ears vigorously.

He hasn't turned off the special effect of "eavesdropping" yet, since he came to Ling Su's room, he has been dizzy from the whispers of several rooms eavesdropping and discussing: "Do you hear clearly? If you listen clearly, I will call someone over."

The extremely low discussion in Room 420 came to an abrupt end.

As soon as Wu Li turned around, he saw a bald head poking out of the wall: "..."

"New here? Are you from the detective agency?"

The middle-aged man adjusted his glasses and said with a sneer, "You guys are still good at this. We have studied for several days and haven't figured out the law of passing through walls..."

They have been listening to the explanations in this room next door, and occasionally poked their heads out secretly to read the blackboard writing, and found that the pile of complex data and diagrams recorded can be completely matched.

These people had already lowered their voices to an extremely low level, but unexpectedly, they were still caught by the curly-haired young man.

"You want to go to 313, right?" The middle-aged man looked down at the records, "We also know the people in 419. 313 should be an empty room, but we can take you there."

Wu Li gripped the chair tightly, tried his best to restrain the urge to flatten the weird bald head that merged with the wall, and turned his head: "You, you—"

"Go." Ling Su stretched out his hand and patted him on the shoulder, "We'll wait for your news here."

Before Wu Li could recover, he was firmly pushed by Ling Su, and fell to the other side of the wall in the lead.

Zhuang Die breathed a sigh of relief, raised his hand to cover his ears, turned back and stuck it on Ling Su's shoulder.

He didn't turn off this one-time skill that was drawn out of safety considerations, but he didn't expect Ling Su's room to be so noisy.

Not long after they entered the room, the sound became louder and louder, and every crack in the wall was filled with the chatter of discussions from adjacent rooms.

"Tired of the noise?" Ling Su was dumbfounded, "It's your lectures that are good. When I was singing and moving the furniture, not so many people came to listen."

Ling Su raised both hands, covering Zhuang Die's hands covering his ears.

The temperature of his palm is very warm, and with a light flick, all those annoying voices are wiped out: "How about this?"

The world around my ears suddenly regained its purity.

Zhuang Die was startled, and looked up from the small space surrounded by Ling Su's shoulders and arms.

"Using an apron? No wonder... just turn it off."

Ling Su opened his backstage to have a look, and helped Zhuang Die turn off the eavesdropping skill: "I can be responsible for things like listening to corners, and I can listen to neighbors fighting all afternoon without using skills."

After training, all perceptual abilities can be assisted and adjusted by mental power gains, including hearing naturally.

Zhuang Dilai's time is too short, the upgrade is too fast, and he has not yet received training in this area, so he is trapped in this state of being so noisy that he collapsed.

Ling Su rubbed the little curly hair on his shoulder.

He briefly manipulated the backstage a few times, then held Zhuang Die's hands again, and asked Zhuang Die to half-close up according to his own posture.

Zhuang Die imitated his movements and covered his ears with his hands.

He heard a loud sound like the continuous whistling of wind, and the rushing of turbulent water.

This kind of sound enveloped his whole body, completely dispelling the irritability produced unconsciously by the disturbance of those noises.

"This is the sound of time flowing in reality."

Ling Su pressed against his ear, and said softly: "The movement of our own muscles and bones, breathing, heartbeat...the sound of blood rushing through. If you feel noisy in the future, you can listen to this."

Ling Su told him, "This is the sound of life."

Zhuang Die memorized word by word and nodded.

He has already found a clear pattern, because it is what Ling Su said, so even without a recorder and a notebook, he can remember it as soon as he thinks about it.

Ling Su smiled, looked around the room, and rolled up his cuffs casually.

He had already found several suitable positions, and was about to listen to the corner of the wall in reverse, when Zhuang Die pulled his clothes back suddenly.

Ling Su stood still in front of Zhuang Die and asked curiously, "What's wrong?"

Zhuang Die was not very satisfied with his voice, took his hands from his ears, held Ling Su's hands, and put them next to his ears again.

Ling Su was stunned for a few seconds, and suddenly he couldn't hold back and smiled softly.

Although Assistant Professor Xiao Zhuang has finished his explanation, there are still a few rooms that are reluctantly pressed against the cracks in the wall, hoping to hear if they will reveal more details.

Ling Su originally wanted to tell ghost stories from corner to corner to scare them, but now he has given up his mind and ignored these boring people, wrapping Zhuang Dian quietly in his arms.

He didn't speak any more, just exhaled lightly and folded his arms.

Ling Su stood in the middle of the room, lowered his head, and rubbed the little curly hair with closed eyes with the tip of his nose.