Qi Zhoudao: Otherwise, if Zhang Jie launches another strong attack, let's release the water and let them attack the city wall, if Zhang Jie comes up with fewer people, we will drive them down, if there are more people on the city wall, we will suddenly release water to give up a section of the city wall, so that Zhang Jie's troops will definitely be able to break through the city.

Wei Youdao: The way is yes, but it's also difficult to do, but Zhang Jie is not attacking the city now, I guess he must be thinking of other ways, do you think he will dig tunnels? There is such a possibility, but no matter whether Zhang Jie digs a tunnel or not, we can't tell Gongsun Zhan. Tell your men not to talk about these things. Several henchmen also nodded in agreement. It's a pity that Zhang Jie doesn't know about these. Otherwise, it will be a direct siege.

In order to hide the tunnel entrance, Zhang Jie set up the army tents very close to the city wall, and the tunnel entrance was inside and outside the military tent, which could not be seen. In order to speed up, three tunnels were dug at the entrance, and many people in the tunnels, in order to save time, handed the excavated soil to the next person with a basket to the last person, and poured out the soil. Zhang Jie came from later generations and knew that the tunnel was prone to lack of oxygen, so he used hollow Nanzhu every ten meters to make a hole to expose a little ventilation hole to the ground above. The enemy army could not see anything in the city at all, and in three days, three tunnels were dug under the city.

In order to paralyze Gongsun Zhan, Zhang Jie asked Wei Yan to attack the city with half-truths and half-truths, and on the night of the fourth day, Zhang Jie stopped digging at night to make the enemy know something. So dig specifically during the day.

Gongsun Chan in the chamber. Tian Yu said: Lord, Yu feels that something is wrong, Zhang Jie's siege of the city in the past few days seems to be just thunder and rain. It's like a feint, as if it's covering something. Is it digging a tunnel? Yes, it must be digging tunnels, the lord must be fast, I am worried that Zhang Jie's tunnels will be dug through.

Yan Gangdao: I had already asked my brothers to put a few large water tanks by the city wall, but I didn't see the water in the water tank shaking. Tian Yudao: It's better just in case!

Gongsun Chan said: The way to break the tunnel is to dig a deeper trench under the wall. In this way, as soon as the enemy digs a trench, we will catch turtles in the urn city. Ha ha!

Yan Gang, you immediately led people to dig a trench under the city wall overnight, mainly in the east, Zhang Jie's big tent is in the east, and the soil in the east is easy to dig, if Zhang Jie wants to dig a tunnel, the most likely is the east. Promise!

At that time, Yan Gang led people to dig a ditch overnight, because Gongsun Zan was digging in the open air, and the soil was easy to dig, and it only took one day to dig a spacious trench along the city wall, and at this time, Zhang Jie's men and horses were digging along the foot of the city wall, and when the three tunnels were all connected, the city wall was actually unstable at this time. Hao Zhao was afraid that the wall would fall down and crush his own people, so he dug a little bit and used a thick wooden pillar to resist it, and a wooden board was placed on both sides of the pillar to increase the stress area. It took more than three days to dig under the city wall alone, and the city wall was already empty. At this time, if you are careful, you should be able to find the city wall, in fact, there are cracks in many places.

The city wall was already crumbling, and Zhang Jie began to count troops in the big tent of the Chinese army.

Zhang Jie said in a loud voice: Ju Yi is, Zhao Yun listened to the order and ordered your department to continue to block the four gates. Zilong's cavalry must cooperate with Juyi, and once the city wall falls, the soil on the city wall will also block the cavalry. Therefore, your cavalry is of little use in attacking the city, as soon as our army enters the city, Gongsun Chan will definitely open the city gate and rush out, so you two must cooperate well and don't let Gongsun Chan escape. Promise! Zhang He, you transfer half of the men to Ju Yi and let Ju Yi command. Promise!

Wei Yan, Liu Meng, you two are the vanguard, rush in as soon as the city wall falls, be fast, and don't let the enemy have time to react. Tell your brothers that even if you die, you have to die on the way to the charge. Promise!

Zhang He, you are the Chinese army, as soon as Wei Yan goes up, your men and horses must also follow, if the fallen city wall is not wide enough, you have to climb it with a ladder.

Hao Zhao, Xia Zhong, you lead the cattle, horses and livestock under the city wall according to the plan, pull down the wooden stakes, and let the city wall collapse. Promise!

Zhang Jie finally said loudly: Your success or failure is here, and everyone will work together. Win! Let's go!

When Hao Zhao's men brought dozens of cows, and hundreds of horses, all of them, cows, horses, and a thick rope was tied around their necks. The rope is driven up the ground along the iron chain, and then tied to the pillar against the city wall, as long as the pillar and the child fall, the wall will fall.

Tom, tom, tom, the drum sounded, with Hao Zhao's order, the soldiers beat the rope cow and horse, the cow and horse pulled hard, the pressure on the pillar was too great, some could not pull down, Hao Zhao drew his sword and stabbed a big buffalo, the cow was in pain, and pulled hard!

Rumble! The earth-shattering sound! As long as one falls and the wall is crooked, there will be a domino effect. I saw that the city wall was about 100 meters long, and it fell down all at once. The effect produced. The besieging soldiers were almost stunned.

And the soldiers who were standing on the city wall were miserable, and some were directly buried alive. Some fell to the ground and couldn't get up.

Tong! Tong! Tong! The sound of drums and trumpets began to sound, and Liu Meng was the first to charge, followed by thousands of soldiers, because the city wall was ruined. But the broken walls are everywhere, and it is unstable to walk on them, but no one cares about so many at all, and the sergeant Gongsun Zan who defended the city was originally Liu Yu's subordinates, and they were stunned when the wall fell.

Seeing the Jizhou army rushing over, they didn't think about blocking it at all, and they were all running away with all their might. In just ten minutes, the vanguard troops rushed into the city by thousands. Zhang Hebu also began to rush into the city, Zhang Jie knew that Jixian County had finally been won, and most of Jixian County had arrived in Youzhou, occupying the strategic initiative, it depended on Gongsun Zhan's luck, if he died in Jixian County. Jia Xu said: The Lord Gong's divine policy, Gongsun Zhan's painstaking management of Jixian County has not been held for two months.

Inside the city, Gongsun Chan felt an earthquake in the room, he hurriedly put on his armor, and asked what was going on outside? But not long after, Yan Gang hurriedly came to report, the wall was ruined, Zhang Jie's soldiers and horses had entered the city, please flee quickly.

Gongsun Zhan rode on his horse and looked at the east city, only to see a large number of defenders retreating, he shouted anxiously and asked the soldiers to kill back, in fact, he did not suffer a loss in terms of troops, mainly because the morale of the defenders was broken, and he did not dare to engage in battle and tear up. Seeing this, Yan Gang said: "Lord, now that the four doors are blocked, the stone must be removed." Let's break through and go to Youbeiping, otherwise we will all be trapped in the city. Gongsun Chan didn't want to die, so he could only say: Organize people immediately, let's go to the West Gate to break through! Promise!

When Yan Gang ordered people to take the stone from the west gate, the city suddenly opened, but the outside was full of Jizhou army, Gongsun Chan ordered his white horse Congyi to charge, and the white horse Congyi rushed forward in an almost suicidal way, because Ju Yi thought that Gongsun Chan would break through at the north gate, so Ju Yi personally went to the north gate, and Gongsun Chan ordered the army to break through the siege at four gates, and he rushed to kill at the west gate, and three thousand white horses died in Yiyi before breaking through the encirclement outside the city.

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