This is a problem of the century that is almost unsolvable for Xu Pang.

In fact, Xu Pang has already tried, when he completed this square object called the Rubik's Cube, he had already found that as long as he rotated the different sides of the Rubik's Cube, the points that were originally neatly distributed on each side would be disrupted, and this kind of disruption to a certain extent was almost impossible to reduce, at least Xu Pang himself tried more than a dozen times in a row, but he was completely unable to turn back those staggered and chaotic points.

However, this also made Xu Pang realize that he had created such a thing that could change infinitely, although this thing was not a spirit tool, but in some ways it was more wonderful than many spirit tools.

As for the question asked by Song Yi, Xu Pang thought about it and had only one answer:

"We can... Dismantle it and reassemble it. ”

When Song Yi heard this answer, he immediately smiled helplessly, he didn't expect Xu Pang to have developed limbs, but his mind was so simple, if everyone restored the Rubik's Cube by disassembling and reorganizing, then what was the meaning of the birth of this thing?

In this regard, Song Yi could only stop selling Guanzi, he directly picked up the Rubik's Cube on the table again, and immediately said: "This is a third-order Rubik's Cube, it can evolve more than 400 billion possible changes in the most chaotic situation, and its restoration method is not to dismantle and reorganize, but to restore by turning." ”

"Turn the restore... Is this possible?" Xu Pang was obviously skeptical of what Song Yi said, especially when Song Yi mentioned more than four hundred billion possible changes, he was even more skeptical, although he couldn't understand what kind of number four hundred billion was for a while, but in so many possibilities, it could be said that he was looking for a needle in a haystack.

Seeing Xu Pang's suspicious reaction, Song Yi knew that he could no longer prove it by saying it alone, so he could only demonstrate it himself.

Next, under the gaze of Xu Pang and Qiao Yun, who was silent on the side, Song Yi's hands on the Rubik's Cube had already begun a flying dance, Song Yi's ten fingers in an extremely tacit way, handing over the rotation of different sides of the Rubik's Cube in the opponent, because of the backward process and structure of the Rubik's Cube itself, Song Yi's rotation is actually not fast, and it will be stuck from time to time, but after insisting on dozens of consecutive times, it took about two minutes to rotate, and a restored Rubik's Cube was finally presented in front of Xu Pang.

At this moment, Xu Pang, who was originally unconcerned, finally changed his expression, as if he had witnessed a miracle, a kind of surprise gradually appeared on his face, and at the same time, a pausing voice came out of his mouth:

"Song... Young Master Song Yi, how did you do that?"

In just two minutes, but dozens of turns, a Rubik's cube that had just been disrupted by Song Yi's own hands was restored to its original state at this moment, which was simply impossible in Xu Pang's opinion.

But Song Yi did do this almost impossible thing.

Looking at Xu Pang's reaction as if his cognition had been subverted, Song Yi couldn't help but smile, he put the Rubik's Cube back on the table, and Xu Pang directly took the Rubik's Cube and looked up and down, as if to find out any trace of Song Yi's mistakes, but the result was perfect, Song Yi did make the points on each side rearrange neatly, without any mistakes.

"It's just a very simple formula. When Xu Pang looked at the Rubik's Cube in his hand in surprise, Song Yi said lightly.

"Formula?" Xu Pang looked at Song Yi, his face full of doubts.

"To put it simply, it is the path that can restore the Rubik's Cube in an arbitrary chaotic state, although the third-order Rubik's Cube can derive more than 400 billion changes, but behind these changes is not without rules, and as long as these hidden laws are found, a path to restore the Rubik's Cube can be constructed, and such a path is the formula. Song Yijie said.

However, Xu Pang was still ignorant, he only roughly knew the meaning of Song Yi's words, that is, there really is some way to restore the Rubik's Cube?

"Not just one, but at least twenty or more. Song Yi seemed to have seen through Xu Pang's thoughts, and directly followed his thoughts.

"Two... More than twenty kinds?" Xu Pang was like being struck by lightning, when he heard what Song Yi said, his eyes were directly bulging in shock, if it weren't for Song Yi's demonstration of the Rubik's Cube just now, Xu Pang would have thought that Song Yi was joking with him.

Xu Pang never thought that this square object that could evolve into infinite changes not only really had a method that could be rotated and restored, but also that there were more than twenty ways to do so, which really subverted his cognition.

"Young Master Song Yi, I want to ask, this... Xu Pang was shocked, and said the biggest question in his heart at the moment, he had already realized that he had underestimated the mystery contained in this square object that was only the size of a fist, and the person who could create and design such a thing must be a brilliant existence, if the designer was Song Yi himself, it would be even more amazing.

"Of course it's Young Master Song Yi. Qiao Yun on the side suddenly said out loud at this time, she had seen Song Yi make Huarong Dao and Kong Ming Lock by hand before, two equally peculiar things, so needless to say, Qiao Yun directly thought that with the ingenuity of Young Master Song Yi, these things must have been created by his design.

However, after Song Yi heard what Xu Pang and Qiao Yun said back and forth, he shook his head with a wry smile helplessly, and he said a fact that disappointed Qiao Yun very sincerely: "The person who designed this thing is called Rubik." ”

"Rubik... Is this a very powerful spiritual master?" Xu Pang found that he had never heard of this name, and now in the field of designing and manufacturing utensils in the Great Hengtian World, the spiritual equipment master is undoubtedly an expert among the experts, and those more well-known spiritual equipment masters, Xu Pang has also heard of their names to some extent, but this person called 'Rubik', he has never heard of it.

"Uh... He's not a spirit master, forget it, don't talk about him..."Song Yi was a little stunned, he hurriedly wanted to divert the topic and talk to people from another world about celebrities on the earth, this feeling seemed a little weird.

However, just when Song Yi was about to diverge the topic with Xu Pang, a sudden gong sound not far from outside the house just helped Song Yi, and Xu Pang, who was at the head of curiosity and curiosity, heard this gong sound, but his expression was sad.

The sound of the big gong from not far away is the Song family's official entry into the night, and for Xu Pang, this also means that the time limit for the patrol to allow him to stay in the Song family for half an hour has arrived, from this moment on, the Song family no longer allows people of foreign clans to stay and haunt the Song family, unless there is a summons from the hall masters.

"Looks like that's all there is to it for today. ”

The sound of gongs not far away made the meeting between Xu Pang and Song Yi come to an end, so far, Xu Pang also arched his hand to Song Yi, ready to say goodbye, but for Xu Pang, he was just to deliver the Rubik's Cube to Song Yi this time, and now this matter has been completed, looking at Song Yi's reaction, at least he did not squander more than a dozen gold coins.

In addition, Xu Pang thinks that his biggest gain this time is that he has been exposed to more peculiar things through Song Yi, especially those expensive materials, Xu Pang can only see them before, but this is the first time he can contact them with his own hands, although I don't know if there will be such an opportunity in the future, but this time Xu Pang is at least satisfied.

Because Xu Pang was leaving, Song Yi also got up to send him to the door, but Xu Pang, who had just stepped out of the door, suddenly remembered something, he turned around and bowed to Song Yi, as if thanking him.

"Young Master Song Yi... I have already heard my father talk about what happened in the market before..."Xu Pang, who bowed to Song Yi, his voice became a little deeper, and Qiao Yun on the side heard what Xu Pang suddenly mentioned, and he also lowered his head slightly, and the silver-white teeth also bit his lip.

As soon as Song Yi heard it, he understood what Xu Pang was referring to when Wang Cheng of the Wang family was molesting Qiao Yun on the street at the bazaar.

"Young Master Song Yi, although I, Xu Pang, am just a poor person and can't take out anything, but your kindness to Xiao Yun and me, I Xu Pang will never forget it, if there is anything that needs my dogs and horses to serve in the future, you just ask, I will be... Succession after succession. Xu Pang's deep voice, the true meaning contained in it Song Yi is not difficult to hear, coupled with his upright personality, Song Yi has respect for him in his heart, he will not look down or elevate a person because of his background, Xu Pang is like this, Wang Cheng is also like this, Song Yi has always evaluated a person from his behavior, and Xu Pang is already a respectable friend in Song Yi's opinion.

"Xiao Yun is also my entourage, I naturally won't let her be bullied by anyone, so you don't need to say anything about dog and horse service, if you just want to thank me, then when I need it in the future, I just hope you can do your best." Song Yi stepped forward and patted Xu Pang on the shoulder, and then said, "I know that you are very interested in forging and spiritual tools, so if you are interested and have time, I will ask the guards to let you go to the Song family's library to read books." ”

"It's... Is it really possible?" Song Yi said that Xu Pang suddenly became excited again, he had heard Qiao Yun say a few years ago that the Song family has an extremely large library of books, which contains thousands of books, and few people go, for this reason, Xu Pang has long coveted it, but because he is only an outsider, he has never had the opportunity to go to the library pavilion, which has to be said to be a big regret in Xu Pang's life.

"What's not to do? Books were born to be shown to people, and now the Song family's library is becoming more and more inaccessible, and if no one reads these books, it is only a matter of time before they rot under the dust. Song Yi said: "If you want to come, I will apply to the housekeeper for a pass tomorrow, you take it, although the Song family still can't go to many places, but it is still very easy to go to the library pavilion." ”

As soon as he heard Song Yi say this, Xu Pang couldn't suppress the excitement in his heart, and he hurriedly bent down to Song Yi again and arched his hand: "Young Master Song Yi's kindness to me like a mountain, I, Xu Pang, must remember it in my heart." ”

Xu Pang's excessive enthusiasm really made Song Yi a little unbearable, he could only say: "Okay, I know your gratitude, it's getting late, you should pay attention to your safety on the way back." ”

After several consecutive thanks, Xu Pang finally left the Song family under the eyes of Song Yi and Qiao Yun, and at this moment, on the sky outside the house, a bright full moon had risen, and the faint moonlight sprinkled among the clouds, making Dexi Nanzhen covered with a layer of silver ash.

"Young Master Song Yi... For what happened just now, I thank you again for Xu Pang. After Xu Pang left, Qiao Yun, who was in the house, muttered to Song Yi again.

"Okay, okay, thank you so many times, my ears are almost calloused, you don't have to repeat it. Song Yi smiled helplessly, he walked to a closet that was as high as people in the house, gently placed the Rubik's Cube in his hand on the top of the wardrobe, and then clapped his hands and looked at Qiao Yun: "I'm tired, go and boil me some hot water, besides, see if there is anything to eat, I'm starving." ”

"Yes, I'll go and prepare. Qiao Yun, who heard Song Yi's request, immediately walked out of the house in two steps and one step, while Song Yi rummaged through the wardrobe to find the clothes he was going to change, he looked at Qiao Yun who was trotting away through the window, with a wry smile and a shake on his face.

"This little girl. ”

(To be continued)