Yang Congyi listened to the conversation between the two and didn't say anything, but judging from Li Tong's words, he should be a cautious person, not a reckless person, and he should have a lot to do if he cooperates.

"What Li Tongzhi said is reasonable, and in a war against hostilities, it is indeed necessary to know oneself and know one's opponent in order to have a chance of victory. The Xuanwei army came a month earlier than the Youyi army, and basically figured out the terrain of Qinzhou, mountains and rivers, and occasionally fought with Li Yue's enemy army, although it was not known, but it was also somewhat understood, the Youyi army was the elite division of the Great Song Dynasty, and the bow and archery battle array was proficient, and Li Yue's enemy army was not as good as it. The difference between this battle and Li Yue is only in the number of enemies and us who can fight, the enemy army has nearly 50,000 people, the Xuanwei army has 4,000 troops, and the guerrilla army has nearly 10,000 people, and the enemy army is three times the number of our troops, but if the strategy is right, forcing the enemy army to retreat, it can still be done. Yang Congyi directly guided their dialogue to the current situation of the enemy and threw out the question of retreating from the enemy.

When Mao Qi heard this, he smiled and said: "What Yang Jianjun said is very true, the Xuanwei army has already fought three consecutive battles when it came to Qinzhou, destroying seven or eight thousand enemy troops and destroying hundreds of thousands of tons of enemy food, and they are very familiar with the terrain around Qinzhou and Yulin. The two armies have what they need, as long as Qinzhou has them, they will not be stingy, and they will definitely cooperate with the two armies to drive away Li Yue. ”

"Thank you, Lord Zhizhou." Li Geng's heart moved, but the expression on his face did not change.

"Li Tongzhi and Yang Jianjun, the two of you will talk first, and the state will arrange it, and today we will wash the dust for the two of you in the state office." Moltke got up just in time.

"Lord Zhizhou has a heart." Li Geng opened his mouth and thanked him.

After Moltke left, only Li and Yang were left in the hall.

"Yang Jianjun is not very old, but he can take charge of the post of supervising the army of the first army, Li admires." Li Geng looked at Yang Congyi and said a meaningful sentence.

Yang Congyi said with a smile: "Li Tongzhi misunderstood, the Xuanwei Army was originally the escort team to escort the Huiyi fleet at the beginning of the army, in fact, it was not a regular army, and the general was responsible for supervising the Huiyi, so he also took the post of supervising the Xuanwei Army. Who knew that Li Yue suddenly invaded Guangnan, and it happened that the Xuanwei army had contact with Li Yue when he went to Nanyang, so he transferred us to Qinzhou to assist in defending the city. Therefore, the last general, the prison army, is just a joke. ”

Li Geng heard this, but said: "Yang Jianjun is too modest, since He Jianjun let You Yijun and Xuanwei Army coordinate and retreat the enemy army together, Yang Jianjun, the prison army, will definitely not be a joke." I heard Mao Zhizhou say just now that the Xuanwei army went to battle one after another in Qinzhou within a month, won three games in a row, and destroyed seven or eight thousand enemies, and the Xuanwei army was not an ordinary escort team. ”

Yang Congyi said: "Those battles are just a fluke that takes advantage of the time and place, and they can't be counted." But now, He Jianjun wants us to repel the enemy army within a month and drive them out of Quang Nam, I don't know what Commander Li's plan is? The topic changed and I got to the point.

"You Yijun has just arrived in Quang Nam and knows very little. I wonder what Yang Jianjun has planned? Li Geng threw the question back as it was.

When Yang Congyi saw this, he could only say what he had been thinking in the past few days and gain the favor and trust of Li Tongzhi, otherwise it would be difficult to start this battle, and he would be dragged in Qinzhou. So he said: "Don't hide the system, I'm thinking about how to retreat from the enemy these days, and I have some ideas, please control the axe." ”

"Let's hear about it." A hint of discoloration flashed in Li Geng's eyes, and he was really not an ordinary prison soldier.

Yang Congyi said: "Li Yue's 50,000 elite combat forces are now stationed five miles west of Fusui, and they can attack Fusui County at any time, and the Yongzhou Governor's Office and the Great Song Army mobilized from other places in Guangnan are more than 40,000 people, judging from the current situation, if there is no accident, it is almost impossible to counterattack, and Li Yue can soon take Fusui County as long as he wants to attack. Therefore, if you want to repel the enemy army, you can only go deep behind the enemy and attack the place where it must be defended. Last time, the Xuanwei army went to Ningming near Yulin, and found that the enemy army was preparing to use the river to transport a large amount of grain to the Fusui front, so it was speculated that the enemy's grain should be transported to Ningming through Yulin, and if we take Yulin and cut off the enemy's food route, the enemy army will retreat. But Yulin has been occupied by the enemy for a long time, and the last time I went in a hurry, I didn't have time to send someone to investigate, and I don't know how many troops are stationed there. However, with 14,500 people from the Youyi Army and the Xuanwei Army, it should not be a problem to suddenly attack and recapture Yulin. As he spoke, he took out the map of Quang Nam, unfolded it on the table, and pointed out several place names one by one.

"What does Yang Jianjun mean is that with the strength of the Xuanwei Army and the Youyi Army, the two armies will first attack Yulin, and then resist the 50,000 army?" After Li Geng listened, he suddenly asked.

Yang Congyi was slightly stunned, and before he understood what he meant, he listened to Li Gengdao: "Li Yue is a small country, there are five thousand troops on the front line in Fusui to confront our army, and the rear forces must be weak, if the last time the Xuanwei army attacked, after taking Ning Ming, it would go straight to Yu Lin, presumably the enemy army had already retreated, but now Yu Lin is only afraid that the defensive strength will be doubled, and if you want to attack again, you will have to pay a certain price." After taking Yulin, it is necessary to hold on and cut off the connection between the Li Yue front line and the rear, once the 50,000 enemy troops on the Li Yue front line retreat, will we defend or not? ”

At this time, Yang Congyi suddenly understood what Li Geng meant, even if they took Yulin, they couldn't hold it, if they wanted to defend it, they would have to face the enemy's front and back attacks, and they would inevitably end up with the annihilation of the whole army. Therefore, there is no point in taking Yulin.

Seeing that Yang Congyi didn't reply, Li Geng said again: "A siege battle like this, if it is not a dangerous place, easy to defend and difficult to attack, there is no need to spend a lot of time, and it is not possible to defend it if it is captured, it is just a consumption of military strength." Those who are good at fighting will be determined by one blow, and those who are not good at fighting will be attrition, both defeats and injuries, and both enemies and friends will be exhausted. The guerrilla army marched thousands of miles, from north to south, and the climate was difficult to adapt, and it was not the way to win by maneuvering with the enemy. ”

As soon as Li Geng's words came out, Yang Congyi's heart moved, and he felt that it was very reasonable, isn't this the same as a fight? Those who can fight can often defeat the enemy with one blow, and those who can't fight will chase and turn around with the other party, tired and sweaty, panting, and helpless.

But how can it be decided in one hit? Either rely on your own strength and overpower the opponent's power, or you have to have the right time and place. The Xuanwei army and the Youyi army were only fourteen or five thousand people, which were obviously weaker than the enemy, and the rest was only available at the right time and place.

"Command means that if we want to win this battle in the end, we must choose a place that is easy to defend and difficult to attack, and it is a place that the enemy must pass through to advance and retreat, and only by taking this place can we defend and defeat the enemy army?" Yang Congyi's thoughts raced.

"Exactly. Is there such a dangerous place in the Yulin area? Li Geng asked.

Yang Congyi looked at the map carefully, but the fortress and danger were not marked on the map at all. Then close your eyes and think carefully about the map you have seen before, Yulin is called Pingxiang in later generations, and it is also a port city that intersects with the territory, Pingxiang is Daliang Mountain to the south, Liangshan lies between Li Yue and the Great Song Dynasty, since it is a mountain range, there must be danger.

Slowly recall whether there was a major war near Liangshan in history.

Thinking about it, suddenly a flash of inspiration dawned, Zhennanguan was a great victory!

There was a major war on the Sino-Vietnamese border, and the French invaders once invaded the Chinese border through Vietnam, and the veteran Feng Zicai defeated the French invading army here. Zhennan Pass, isn't it the pass that guards southern Xinjiang!

"If my prediction is correct, there should be an important pass near Yulin, which is the place where Li Yue must pass through to enter Yulin. I have read it in a book before, saying that since the Han Dynasty, there has been an important pass in the south, which controls the communication artery between Guangnan and Li Yue, called Zhennan Pass. Yu Lin has been lost, and this pass should also be in the hands of Li Yue's enemy army. Yang Congyi didn't know what Zhennanguan was called at this time, but he didn't care so much, and he made it up randomly, and no one would investigate and track it anyway.

"Is there really an important point?" Li Geng's face moved, if he was really concerned, he could give it a try.

Yang Congyi said: "It is true, the enemy army invades Yulin and must pass this pass." If you take this pass, you may be able to hold it according to the danger, or you can drag down the enemy army that retreats. ”

Li Geng pondered for a moment, and suddenly said: "It's not enough, it's not enough to win this level." Of course, this pass is so important, the Great Song Dynasty has Yulin City, Li Yue must also build a big city near this pass, or there are heavy troops stationed in this pass, and this city must be taken, or completely burned down, otherwise it is still difficult to escape the situation of being flanked. ”

Yang Congyi thinks about it and feels reasonable, the important pass on the border between the two countries, one side has a city, and the other side cannot turn a blind eye, and Zhennan Pass is between Yulin City and another city. So he replied: "The Xuanwei army is in the west of Qinzhou, and there are still some garrisons near Yulin, and I will immediately send people to explore this pass and Li Yue Chengchi." ”

"Wait. Is Yang Jianjun planning to move westward immediately and start fighting immediately? The Youyi army was exhausted after a long journey, and the climate in Quang Nam was really difficult to adapt to, so it was better to rest for ten days. Li Genghu said.

"The time limit given to us by He Jianjun is only one month, and it will take ten days to march from Qinzhou to the vicinity of Yulin, and then plan to take Zhennan Pass and attack Li Yue Chengchi, and it will take a lot of time, one month is not enough, and another ten days of rest, I am afraid that it will be difficult to retreat from the enemy within the time limit. Why don't you march to the vicinity of Yulin and rest again, what does the commander think? Yang Congyi's heart trembled, this Li commander is really cautious, quick-minded, he wants to firmly control the command of the Youyi Army, he doesn't want him to be half contaminated, if Li Geng doesn't follow his train of thought, it is naturally impossible to command the Youyi Army.

Li Geng pondered for a moment and replied: "It is impossible to win the battle within the time limit, a month is just an idea of He Jianjun, is it really so easy to repel Li Yueren, can they fight near Yongzhou?" The Xuanwei army will first go to investigate the enemy's situation, and as for when to send troops to attack the pass, we will discuss it carefully after the Youyi army has rested. ”

As soon as he heard this, Yang Congyi only felt that his head was incomparably big.