"The prison here is also a study of the Japanese army... It's called Four-Dimensional Prison. ”

"Four-dimensional... What is four-dimensional. ”

The fat man asked Xiao Yue a little blankly, and these four words seemed to set off huge waves in my memory, but I felt more and more that I couldn't remember it clearly.

Xiao Yue tried to calm down her emotions, and then explained to us excitedly.

"This man is a mathematical genius..., he is not willing to be trapped and die here, so here he began to study the laws of the prison and how to escape."

"Look..."

Xiao Yue motioned for us to come to the pattern we had begun to see, with a three-dimensional square crookedly drawn on it.

The fat man and I looked at each other, and we couldn't figure out what she was doing or what the patterns in front of her me, let alone the mathematical formulas that filled the room.

"He... He figured out what the whole prison would look like, and that's roughly what it looked like... ”

"The prisons are connected by tunnels, and the whole prison is far larger and denser than the supercube that people know."

Xiao Yue's words made me gradually a little half-understood, recalling the space that I had traveled through along the way, it was really like the pattern planned on the wall.

It is a boxy square, and there is an iron door in the center of each wall.

"What's left of this math genius, is there anything about where the prison exit is?"

"No..., if that were the case, he would have escaped long ago."

Xiao Yue's words are true, otherwise this guy would never be trapped here.

But hope has not completely disappeared, Xiao Yue seems to be looking for and calculating the law within the complex formula he left behind.

But immediately after that, the next second, Xiao Yue looked at the dead corpse in front of her with wide eyes and said a word. Words that make us extremely shocked.

"I finally know how he died... If you are not tired to death, you may be scared to death by life. ”

Xiao Yue's voice was full of despair, I didn't know what she had calculated from the formula left behind, and then comforted her softly.

Ask her why she said that?

At this moment, she couldn't help but fiddle with her hair, and pointed to the crooked cube on the wall.

"Suppose the whole prison is really a super Rubik's cube composed of spaces of the same size and volume."

"Then according to the simplest reckoning 14×14×14..., such results are endless, do you know what power is?"

"This is simply a prison that should not exist in the world, because it operates completely beyond the rules that we humans are familiar with in the three-dimensional world....

"Woo woo..., we can't get out of it anymore."

Xiao Yue suddenly couldn't hide the despair in her heart, and completely cried.

I couldn't help but take her into my arms, although her previous explanation was a bit interesting, but the last sentence I and the fat man could still understand.

"Girl."

"You're saying that this guy found out before he died that the prison under his feet is endless..., which means that no matter which way we escape, we will never be able to get out."

"Have you verified this conclusion?"

Xiao Yue nodded in my arms, indicating that she had just roughly checked the column pattern on the wall, but the result was roughly the same as the living and tired old man in front of her.

This is a three-dimensional space that should not exist in the three-dimensional world, and neither the original construction nor the drawings can be imagined by humans today.

Because it is beyond human cognition, such as the famous 20th century aesthete "Escher", proposed the "impossible shape".

Or the well-known Penrose Staircase "Endless Staircase", how can this kind of planning, which only exists on two-dimensional drawings, be constructed in the three-dimensional world in which people live.

Even the fat man who knew nothing about it gradually came back to his senses at this moment.

"Even if it's a four-dimensional prison, there should be a gap."

"Otherwise, how did we get here all of a sudden?"

The fat man's words seemed to make Xiao Yue suddenly realize, and then what everyone didn't expect was.

Xiao Yue couldn't help but kiss the fat man on the cheek excitedly, and the air seemed to be embarrassed in an instant.

She was also a little aware of her gaffe, first glancing at the fat man who froze, and then sneaking a glance at the expression on my face.

Then he sneaked to the front of the figure and continued to study the way out.

I glared at the fat man viciously, but I didn't expect this guy to blush as much as a big girl when he was so shy.

"Brother Gan, what are you glaring at me..., it's your wife who ran over and kissed me..."

"If you don't mind..., I'll give it back to you."

"!"

Maybe the fat man's words are really like divine help, Xiao Yue really calculated the location of the prison gap according to the calculation formula left behind.

And this is theoretically the same place where we went to prison in the first place.

Only this time the direction is not in the southeast and northwest, but along the iron gate under your feet all the way down.

I opened the iron door at my feet and frowned a little as I looked at the shaft-like tunnel.

The tunnel is circular, and you can reach the next space safely by rubbing your legs when you descend, but what should the fat man do?

This guy's bloated body is almost catching up with me and Xiaoyue combined.

However, there are always more ways than difficulties, so we decided that Xiao Yue and I would take the lead first, and then struggle to catch the fat man when we arrived at the next space.

In this way, I walked down five or six prisons in a row, and according to the results of the calculations on the drawings, I then went west to six prisons, and theoretically reached the edge of this super cube.

Thus escaping from here.

Occasionally, they heard a few strange sounds, but the three of them didn't care.

Until all of a sudden, things turned around, and Xiao Yue accidentally left the watch in the previous room.

I knew that the watch was very important to her, so I motioned for the two of us to wait patiently and go back the way I came.

But when I got to the previous room, I couldn't find the lost watch.

Not only that, but I sat on the ground with a sense of fear that I had never felt before.

This prison has obviously been left behind by us, how could it be... Appears in the previous room.

After going down the tunnel back to the previous prison, I explained everything I had experienced to the fat man and Xiaoyue.

This time, not only Xiao Yue, but even the fat man was terrified, and the three-person team was completely in a panic.

"Click... Click. ”

The sound of the machine stopped abruptly, and at this moment I couldn't help but make bold inferences in my mind.

That is, the prison is alive, and every room connected by the tunnel is operating according to the law, so it is not difficult to explain the strange sound of the bracket heard earlier.

In fact, when Xiao Yue observed the calculation formula left over from before, she found that the old man seemed to have realized this.

It's just that Xiao Yue didn't dare to tell us at that time, and now we look at the laws of the prison and the results calculated by that "mathematical genius" are exactly the same.

Maybe it was because he was exhausted, or maybe he was seriously injured before he died, so he lost all hope of escaping here, and ended up being a dried corpse.