The pixel text on the handheld keeps repeating, and it reads: 壬子癸, Jiamao B, Bingwu Ding, Weikun Shen...... A total of eight sets of quirky words.

"What does that mean?" The three girls came over and watched for a long time, but they didn't understand.

Li Shaoyang said hesitantly: "The three of you don't learn and don't know how to do it, these represent the direction of the heavenly and earthly branches." ”

He squatted down, pulled out a paper shell and asked, "Which of you has a pen?" ”

Jiu'er immediately handed him a marker, which Jiu'er had always carried with him as an intelligence officer.

Li Shaoyang grabbed the pen, drew three circles on the paper shell, and then marked the direction of the heavenly stem and the eight trigrams, and finally composed twenty-four directions, and explained in his mouth: "This is the twenty-four mountains represented by the feng shui compass, that is, the twenty-four directions." You see, this Kangong hexagram has three mountains, Ren, Zi and Gui, and the north position represented by Renzi Gui is ......"

As he spoke, he drew a map of directions according to the prompt information in the handheld, which contained eight directions, divided into positive and negative yin and yang, and composed of eight different variations.

The women were stunned.

"What's the use of these directions?" Isabella asked.

Li Shaoyang silently recorded all the changes in direction in his mind before getting up and said, "I don't know, but this information must have come from Zhao Ling'er, and it must be useful." ”

Isabella took the handheld in his hand, looked at it and exclaimed: "It's really godly, this handheld doesn't even have a battery, how can it still be displayed." ”

Li Shaoyang said lightly: "This is the use of magnetic force, this ancient display screen, there is a layer of magnetic powder inside, and text can appear on the display screen according to the change of magnetic force." ”

Isabella looked left and right suspiciously: "If it is the information transmitted by Zhao Ling'er, how does she control the magnetic force, and it has to be controlled remotely, this is impossible." ”

Li Shaoyang shook his head: "It's not remote control, if my guess is right, this is the information that Zhao Ling'er left us in advance when she passed here, fortunately we found out, otherwise her hard work would have been wasted." ”

They moved on.

In this long and narrow abandoned underground station, Li Shaoyang found several hints left by Zhao Linger along the way.

From the long-vanished old BP machines, discarded mobile phones, electronic toys...... As long as there are circuit boards and displays, they seem to be transmitting Zhao Ling'er's information.

There are a total of eight prompt messages, and there are eight orientation changes in each message, which adds up to sixty-four orientation changes.

"Zhou Yi's sixty-four hexagrams!" Li Shaoyang couldn't help but burst out.

They had already walked to the exit position, without any hints, but Li Shaoyang seemed to grasp the true meaning of the message left by Zhao Ling'er.

The sixty-four hexagrams of Zhou Yi are not just sixty-four hexagrams, but they are deduced from each other, arranged and combined according to certain laws, and endless changes can be obtained.

And the sixty-four hexagrams that Zhao Ling'er passed on to Li Shaoyang are fixed hexagrams that have been reasoned about.

"Isabella, you're up front." Li Shaoyang looked outside: "Jiu'er, you control the mechanical worm well, we need to control the field of vision." ”

After Li Shaoyang finished speaking, he walked out of the culvert, and saw the valley in front of him, in the middle of the valley was a rusty railroad track, and on both sides were all unfinished air-raid shelters, and the slogans and times on it showed that this was a building more than 30 years ago.

At the end of the dugout and the railroad tracks was the concrete-built platform and the three small houses behind the platform. That is the Fourth Bureau of the Iron Police.

Jiu'er opened the portable notebook he was carrying, and the ten mechanical insects began to fly. Without Li Shaoyang's spiritual power, the power of these mechanical insects was greatly reduced, and the signal released by the computer hotspot could barely be controlled.

Jiu'er skillfully placed ten mechanical insects in the air, and Isabella took the lead, and after pulling out the fish intestine sword, her figure was erratic, and she began to scout the bomb shelters along the sides of the railroad tracks.

Li Shaoyang motioned for Zhou Mulan to follow behind him, and the two of them would go straight along the railroad tracks.

Isabella moved quickly, and searched one bomb shelter after another, followed by more than two mechanical insects each time.

After the four of them met in the middle of the tracks, Isabella first shook her head: "There is nothing in the bomb shelter, and there is no ambush. Jiu'er immediately added: "The area around the Fourth Bureau of the Iron Police has been explored, and it is barren, not to mention people, not even a fly can be seen." ”

It's quiet, and it's weird.

If the Wang family controlled Zhao Ling'er, how could there be no sentry? Li Shaoyang looked at the three small rooms: "Isabella, you rush to try it first." ”

Isabella nodded slightly, and her body suddenly rose diagonally, and she stepped on the platform and flew into the air. She was in mid-air, and the fish intestine sword in her hand was filled with lightning power, and it struck the door in the middle like a thunderbolt.

A flame erupted above the door, which was burned to slag in an instant.

Li Shaoyang arrived with his two daughters, and the four of them rushed into the house without saying a word.

Isabella wielded a dagger to protect Li Shaoyang, Zhou Mulan held a Czech Scorpion-style miniature submachine gun in each hand, and Jiu'er controlled the mechanical insect into a combat state.

But there was no one in the room, and there was a strange sense of spaciousness, and they had an iron door in front of them.

Isabella frowned and pulled open the iron door, revealing another entrance.

When the four of them subconsciously entered, they saw red square floor tiles, marble steps, and a stone exterior wall coated with particles...... There are also the familiar wooden doors with light green paint and wooden staircase handrails with brown paint on the left and right.

Li Shaoyang gasped, turned around and looked again, but behind him were solid walls, where were there any iron doors and stone houses, they seemed to have traveled through time and space, and returned to the starting point again.

Familiar steps, platforms, and the entrance and exit of the platform to the ground. There were lights on everywhere, even the skin of the wall overhead, including the hum of the fluorescent lights.

They really got back to square one.

Continuing to move forward, it was still the same old road, but this time there was no hint from Zhao Ling'er, and finally through this culvert, I saw the railroad tracks and the Fourth Bureau of the Railway Police again.

The door of the house that had been destroyed just now was restored to its original state, Isabella destroyed it again, and the four of them entered again, and it was still the same iron gate!

The iron door was opened for the third time, and the red floor tiles, marble steps, and green wooden doors were seen again......

When he walked through the hole for the fourth time, Li Shaoyang stopped the third girl: "We can't go around in circles like this anymore." ”

Jiu'er wiped a handful of sweat: "This must be an illusion, we may have been poisoned when we entered the tunnel, this poison will make us enter a reincarnation-like illusion, I think we should rest in place and find a way to expel the poison." ”

Li Shaoyang pondered for a moment: "No, hallucination is not very likely, because every time we walk through this place, the environment is actually changing. ”

The third girl looked at him in surprise: "What's the change?" ”

Li Shaoyang pointed to the sky: "When I first came in, it was not yet dawn. The second time, I saw a little light in the east, and now, you see, the sun is rising there, even though it is blocked by the valley. This shows that time is changing normally. ”

Only then did the third girl realize that the surroundings were already much brighter, and the warm sunlight showed a soft light on the side of the valley, but she was too nervous just now to notice it at all.

Zhou Mulan said: "Since time has been changing, then we must have entered a strange space, this space is a closed circle, and the entrance and exit are those three rooms, so we have been walking in circles repeatedly. ”

This explanation seemed plausible, but Isabella objected: "If you are talking about such an enclosed space, then why do the signs I made in the tunnels disappear every time we pass by?" ”

Isabella said, drawing another cross on the wall: "I left hundreds of these marks along the way, and every time I repeated, they were gone. ”

"That's still an illusion." Jiu'er said loudly.

Isabella snorted: "I look like a formation in a fantasy novel, which not only makes us hallucinate, but also fixes us in a circle. ”

This statement is even more mysterious than Zhou Mulan's conjecture. But Li Shaoyang seemed to think of something, beckoned the third girl to follow him, and then he used the paper and pen in his hand, plus a nail removed from the side, to make a simple compass.

The compass is marked with the Heavenly Stems and the Yin and Yang Bagua, and the Tianchi in the center is replaced by a plastic bottle cap. Li Shaoyang held the compass, identified the direction, and took a step lightly: "Ren Ziqi, due north, walk nine steps and ten feet......"

This was one of the sixty-four directional changes left by Zhao Ling'er, and when he stepped out, the scenery in front of him seemed to be hazy, and then a cloud of mist rushed in, enveloping the entire railway track and the valley.

"It works! It could really be a formation, this formation has already been activated! Li Shaoyang clapped his hands excitedly: "The information left by Zhao Ling'er is really crucial. ”

From due north to due west, then southwest, step by step subtle movements and changes, according to those sixty directions strictly forward.

They encountered dense fog, strong winds, torrential rain, lightning, thunder, and even heavy snow, hail and rockfall, and when the last step was completed, the sight suddenly opened up, the storm was swept away, the fog dispersed, and the sun was shining.

At this time, if you look ahead, it is still the same railroad track, but there is no valley, and the bomb shelter is there, but there is only one left. There was only one room in the house where the Fourth Bureau of the Iron Police was located, and it was next to the railroad tracks on their left.

This is the real scene, Li Shaoyang looked back and saw that at the exit of the cave, in a circle with a diameter of half a meter, they had stepped out of a deep ditch.

"We've walked thousands of times in this half-meter circle!" Li Shaoyang said hesitantly: "Look, even the stones have been trampled into the depths of the mud. ”

Bang bang, a burst of applause came, the door of the Fourth Bureau of the Iron Police opened, three men in suits walked out, and the leading man clapped his hands and praised: "Amazing, even my 'Eight Directions Phantom Rain Array' has broken." Amazing! ”