It is empty words to disappear, and the moon is inclined upstairs for five watches. -------Tang Dynasty. Li Shangyin "Untitled"

Chen Long and Zhang Ning went downstairs, dodged Xiao Wan and Cao Cao, who were saying goodbye, and got into their own carriage. Zhang Ning was so ashamed that he was embarrassed, and deeply regretted that he followed Chen Long to the brothel, and let Chen Long lead him, but he didn't say a word. The carriage passed through the streets and alleys, and in order to relieve his embarrassment, Chen Long spoke first: "It turns out that Brother Ma is locked up in a water prison. ”

Zhang Ning's brain became active and said: "The water prison should be underground, if you know the layout of the prison, you can determine the location of Brother Ma's detention." ”

Chen Long's brain was running quickly, since it was a water prison, the prison should have a similar drainage device, there was no drainage pipe network in that era, and the water discharged should be built a culvert nearby to flow into a certain water system. returned to the safe house and immediately recruited Zhao Da and Zhou Budo.

Zhang Ning, Zhou Budo and Zhao Da listened to Chen Long's analysis and felt that it made sense. Zhao Da took out the map of Nangong again and said: "Around the prison, there is no water system, but there is a meandering artificial landscape river in Nangong, which connects various palaces and leads directly to Luoshui through the nullah. He said and pointed to an ink line on the map and said: "Master, look, there is about a hundred meters of river surface along the east wall of Nangong, and it is here that it passes, will the exit of the culvert be within this hundred meters?" ”

Chen Long nodded and asked, "Is it possible to swim into Nangong by diving along the nullah?" ”

"The entrance to the nullah is completely closed by iron mesh, and there are iron wire luan bells on it, which is difficult to enter. The only way in and out is the Western Wall. ”

Chen Long looked at the map carefully again, and saw that the small river was meandering, and if you entered the back garden from the west wall, you could swim directly along the river to the east wall, although the distance was very long, but you could avoid the patrolling guards.

Zhang Ning suddenly said: "It would be nice if from the small river and the dagger could be used to dig through the culvert to reach the water prison." God can rescue Big Brother Ma without knowing it, but Big Brother Ma doesn't have Wenlong's ability, how can he dive out? ”

Zhou Budo listened, shook his head slightly, and said: "Regardless of the fact that we don't know the straight-line distance from the river to the water prison, even with Brother Long's diving time, I don't know if we can persist until the culvert is dug." ”

Chen Long listened to the opinions of several people, did not speak, frowned and thought carefully. According to the scale of the Nangong map, the length of this small river is at least one thousand meters, and when you launch the water from the small river on the west wall, you need to dive through a distance of about 500 meters before you can reach the east wall, and it takes about five minutes to dive at the speed of your own diving. Within 100 meters, it is necessary to find the exit to the culvert, which is conservatively estimated to take five minutes. In this way, the time left for yourself to dig the culvert is only about ten minutes, and it is too late at all.

"Anyway, it's a train of thought, but in the middle of the dive, I need to breathe. To rescue Brother Ma, you also need to ventilate in the middle. Chen Long pointed to the map and said, "I will visit Nangong with Lu Chang tonight, and we need to find out the timetable of patrols inside Nangong to determine when and where we can stretch out our heads for breath." ”

Zhang Ning was also resourceful, and when he heard this, he said: "This is easy, you see that the river is meandering, it is impossible to have no bridge, you can go in tonight and carefully determine the location of the bridge." It will be much safer to ventilate from the bottom of the bridge, and it will be much safer in the dark. ”

Chen Longyi grasped Zhang Ning's small hand and said, "Mei Niang, you are my Zhuge Liang!" After speaking, he remembered that Zhuge Liang was probably still wearing open crotch pants at this time, ignoring everyone's puzzled eyes, and instructed Hu Ji and Hao Pu, who had just come in: "You two, you still have to keep an eye on Lu Zhi's general's mansion, tomorrow night, if Ma Yuanyi is rescued, the killing of Tang Zhou must be completed before dawn, otherwise you have to give up." Turning his head, he asked Lu Chang to prepare his night clothes, and after making an appointment for half an hour, he rushed to Nangong.

Chen Long and Mei Niang returned to the bedroom, Chen Long took a basin of water and said, "Mei Niang, you try to hold your breath and see how long you can last." Zhang Ning sank his pink face into the water according to his words, and before it was five minutes, he couldn't hold on, and raised his peach cheeks from the water. Chen Long frowned, it would take at least fifteen minutes to swim out of the water gate to escape from the waterway, obviously Zhang Ning couldn't hold on for so long. There is no way out for Gumen, how can this be good?

Zhang Ning saw Chen Long frowning, knowing that it was because of the plan to escape from the water gate, he was afraid that he would be in the soup. Holding Chen Long's hand and persuading him not to worry, he also became worried.

At this time, Lu Chang brought a night coat to rely on, Chen Long put it on, Zhang Ning handed over the Qinglong dagger, and Liandao must be careful. Chen Long comforted Zhang Ning a few words, inserted the Qinglong dagger, and walked out of the bedroom. Passing by Zhou Budo's bedroom, seeing the lights and candles shining in his bedroom, knowing that Yuan Zhi was still working hard, he couldn't help but think of the scene when Zhou Budo's Halazi was full of maps that day, and his heart moved slightly, as if he had some clues, but he couldn't catch it all of a sudden.

Chen Long stopped suddenly, his body frozen in the night. Lu Chang noticed something was wrong, and he didn't dare to disturb him. Chen Long's mind was like lightning and fire, remembering that Nahara Lazi flowed through the South Palace and the North Palace, crossed the Bishan Mountain, and joined the Yellow River, suddenly jumped up and kicked open the door of Zhou Budo's room, picked up Zhou Budo, who was lying on the map and fell asleep, kissed him vigorously, and said excitedly: "You kid is really my lucky general!" ”

Zhou Budo was woken up by Chen Long again, and when he saw that he was in Chen Long's arms, he was kissed, and he was so frightened that he thought that Taishou had suddenly risen to Longyang's goodness. Chen Long guessed that Zhou Budo was thinking crookedly, and pointed to the map and said excitedly: "Yuan Zhi, you said that the palace in Luoyang, how can there be no tunnel out of the city?" ”

Zhou Budo was shocked, broke free from Chen Long's arms, and said happily: "Taishou is really a god, how did you think of it?" ”

"It's not because of your Harazi ......" Chen Long was a little disgusted by what he said, and continued: "Where do you say the exit of this tunnel should be?" ”

"Theoretically, both Nangong and Beigong should have exits. The exit of the north palace should be in the dormitory, and the exit of the south palace should be in the office. ”

"That's what heroes see, and I think so too. Tonight, I'll go to the temple and find out. In addition, if the tunnel exit is in the mountains, a ferry needs to be arranged by the Yellow River. ”

Chen Long and Zhou Budo discussed and found that it was possible to evacuate the third passage from Luoyang, and the two preset the location of some exit points of the Bishan tunnel, and Zhou Budo determined the location where the Yellow River ferry needed to dock. Chen Long said happily: "Everything is hypothetical now, but I think this must be a way to live." Zhou Budo is also full of confidence.

Chen Long and Lu Chang took advantage of the night to leave the safe house and jumped over the ridge to the roof of the house in front of the west wall of the South Palace. Along the way, Chen Long was excited in his heart, there must be this tunnel, otherwise five years later, when the Ten Standing Servants were in rebellion, Zhang Rang, Duan Qi and others were trapped in the palace, how did they hold the little emperor and King Chen Liu out of Luoyang? The devil believes that there is no authenticity.

In the middle of the night, there was silence outside the west wall of Nangong, and occasionally patrolmen walked by with torches, and fell into darkness again. Chen Long asked Lu Chang to control the wind here, waited for a team of patrols to pass by, crossed the road, jumped over, and fell silently into a flower bush in the South Palace, hiding his body. It happened that a team of patrols from the inner government walked by, Chen Long listened to the footsteps of the patrols, and knew that each team of patrols was seven people, and after about fifteen minutes, the second team of patrols walked by, and after another five minutes, a team of patrols came in the opposite direction, and it should be the first team of patrols who turned around. Chen Long thought to himself that during this time period, the guards of the South Palace were not strict, thinking that it was because the emperor lived in the North Palace. Taking advantage of the gap between the two teams of patrols, Long Chen sneaked into the creek in the back garden.

The creek wasn't very deep, just enough to hide your body in the dark. Chen Long had a light brain in his head, and he had already had a predetermined route, and suddenly found that there was a shadow on the water, turned around and swam backstroke, and when his body floated slightly, it was indeed a small bridge. Chen Long waited under the small bridge for a while, and two teams of patrols walked by, and Chen Long had already written down the location of the bridge and the time between the patrols, so as to determine the location of the ventilation after rescuing Ma Yuanyi.

After about half an hour, Chen Long swam into the 100-meter river near the east wall. Chen Long began to search the culvert next to the wall, the palace wall was full of stones, it was very laborious to grope in the dark, and there was no bridge on his head, Chen Long gradually felt that his breath was short, and he was about to risk floating up for ventilation, when suddenly his head was dark, and he actually arrived under a bridge.

Chen Long floated his head, took a deep breath, and judged the position of the bridge. It turned out that there was only a bridge in front of the Canglong Gate in the middle of the 100-meter river on the east wall, which was now deserted and just used for ventilation. Chen Long continued to plunge into the water to search, and felt all the stones on the side of the wall, but found nothing.

Returning to the bridge of Canglongmen, Chen Long was extremely disappointed in his heart, but he didn't expect that the culvert he judged was not discovered. So where will the water in this dungeon go? Do you never change the water? It's not impossible to think about it.

Chen Long was helpless, and wanted to go back, thinking to himself, Brother Ma, this is unbearable, he really has nothing to do. At the moment when his head entered the water, there was a sudden sound of water in his ears, and Long Chen's figure instantly froze.

Re-emerging from the surface, Long Chen began to re-observe the environment under the bridge. The sound of this drop of water came from nowhere? In the dark shadows, he couldn't see it at all, and he didn't dare to light the fire, so Long Chen had to grope along the wall between the water and the bottom of the bridge. Suddenly, his right finger seemed to pass over a slightly protruding round tile, and Chen Long was overjoyed and understood that the drop of water was dripping from here. Unexpectedly, the exit of the culvert was not made underwater, but under the bridge.

The history of Ma Yuanyi being torn apart has changed because of this drop of water, and it is really arranged in the dark. Of course, Chen Long couldn't blatantly dig on the water, compared to the location of the culvert, he sank into the water, pulled out the Qinglong dagger, and dug up a stone crack.

The green dragon was sharp, and the clay in the cracks of the stone trickled down, and after a while, Long Chen really pulled out a stone. The underwater sound is not easy to spread, but it is not afraid of others to hear; Chen Long is afraid that he won't be able to dig through tomorrow night, so he will naturally dig as much as he can today.

In this way, up and down, Chen Long changed his qi ten times, about two hundred minutes, and the underwater wall gradually formed a small cave. Chen Long remembered what Zhao Da said that the guards of the North Palace would come over in the early morning every day to carry out the big cleaning, and he had to go to the Qifei Hall to find the tunnel, and then sneak out of the South Palace before the big cleaning. So he planted the dagger and swam in the direction of the temple.