A foreign city, dear you

The children are all seated and ready, looking around and waiting...

People passing by on the road also looked at the children, wondering: What are they doing?

After a while, a handsome waiter from the Real Kung Fu Restaurant came out of the store, cleared his throat, and began to speak:

"Good afternoon everyone, welcome to participate in the "Car to the World" game competition organized by our real kung fu.

Now let me explain the rules of the game:

[-]. Each round of the game is completed by the child independently, and parents are not allowed to provide any form of help;

Second, the game is divided into two groups, with no more than eight people in each group. Each group starts from the junior level and implements a step-by-step elimination system. The final winner is the champion of this game competition;

Third, each round has a time limit, which is 2 minutes for beginners, 3 minutes for intermediate, and 5 minutes for advanced. There are three rounds for beginners, two rounds for intermediate, and one round for advanced.

Finally, there is the final, which lasts 8 minutes.

As soon as the handsome waiter announced the rules of the competition, the crowd started buzzing with discussion: some were discussing the rules, some were asking others if they had memorized the rules, but most of them were parents giving various advice to their children.

Although this is just an insignificant game competition, the parents are still very competitive and hope that their children can win.

If your child wins, not only will he look good, but he will also get a prize.

Ye Lian and Cao Xueqian stood behind Lanshan, waiting for the game to start.

"It's him who wants Lanshan to give up his spot." Ye Lian quietly pointed to the little brother in the red T-shirt and whispered to Cao Xueqian.

It happened that the little brother looked towards Lanshan with a provocative look in his eyes.

"Quiet! Quiet!" the handsome waiter shouted loudly, while gesturing with his hand: "The 'Car Race to the World' competition begins now!"

As soon as he finished speaking, a beautiful waiter next to him pressed the timer.

The children immediately arranged the toy cars in the grid-printed boxes according to the markings on the question cards.

The idea of ​​the game "Cars in the World" is:

The box with the grids printed on it is equivalent to a parking lot, and those grids are the parking spaces;

Players must try their best to move the toy cars of various colors outside by moving forward, backward or left and right, and clear a passage for the white toy car inside so that it can drive out smoothly.

The primary level is very simple. There are relatively few vehicles surrounding it, and the white vehicles can easily find the exit.

After three preliminary rounds, most children can advance to the intermediate competition.

Intermediate level is much more difficult.

There were many vehicles encircling them, and as soon as the formation was laid out, the children fell into deep thought.

Look, the white vehicle is surrounded by other vehicles. How can we drive out?

Lanshan's little head is also thinking... The little brother in the red T-shirt is also thinking...

*

Lan Shan really likes the set of toys "Cars Traveling the World".

That day, Ye Lian took him to eat at Zhen Kung Fu. It happened that Zhen Kung Fu was holding activities during that time and gave gifts to customers who came to the store. If they were children, they would give him a set of "Cars to Travel the World" toys.

Ye Lian was originally searching for some educational toys for Lanshan, but she didn't expect to get such a set of toys by accident.

She also laughed: It’s really hard work, it really takes no effort at all.

Lanshan couldn't put it down even more. As soon as he got the toy back, he couldn't wait to take it out and play with it.

For almost a week, he didn't play much with other toys.

Seeing how devoted Lan Shan was in playing every day, Cao Xueqian even joked: "I'm sorry that I'm looking for toys to buy, but they're not as good as this free gift?"

The last time Cao Xueqian went on a business trip, Ye Lian asked him to buy some educational toys, and he actually bought a toy.

In fact, that toy is quite fun:

A transparent plastic ball with various orbits criss-crossing it like a small universe, but the orbits can be connected through various novel switches;

There is a glass ball at the starting point of the track. This glass ball should start from the starting point, pass through each track like rolling water, and finally reach the end point.

The plastic ball must be manipulated carefully throughout the entire process, otherwise it will easily fall from a certain connection and return to the starting point again, with all previous efforts in vain.

This toy really tests the player's patience. Lanshan also liked it for a few days, but since he got "Cars to Travel the World", he doesn't play with it much.

Later, he signed up for the "Car Race the World" competition, and Lanshan plunged headlong into the "Car Race the World" game.

*

One minute has passed.

Some children were obviously stumped, scratching their heads and not knowing how to proceed.

After some thought, some children started to move the car.

After some observation, Lanshan also started to move the car.

I saw him pick up a blue toy car and move it one space to the left.

Why move like this? What's the benefit of moving like this? Ye Lian couldn't understand it.

Ye Lian also played "Car Race the World" at home, but she could only play the basic questions. Once she reached the intermediate level, she could only look at the "cars" and sigh, and she couldn't play anymore.

However, Lanshan was able to play the intermediate questions very well. He could play from the first question to the last question.

It stands to reason that today's intermediate competition question should not be difficult for Lan Shan.

Sure enough, Lanshan didn't hesitate from the moment he picked up the first toy car. He moved left and right, forward and back, and soon "opened up" a passage to let the innermost white car out. The toy car made its way to the exit smoothly.

As expected, Lanshan still had a clear mind.

Ye Lian and Cao Xueqian both smiled and extended their thumbs to Lanshan.

Lanshan's little face was flushed with heat and excitement.

He also looked at the little brother in the red T-shirt, who also successfully moved the white vehicle out.

So far, the two people are half a catty to eight ounces.

This "Car Races the World" game should not be simple or crude.

Don’t think that you can just remove any car that is in the way.

It must think carefully about which vehicle to move first and which vehicle to move, and to think through all the moves forward and backward, otherwise it will fall into a deadlock and be unable to move.

The intermediate competition was indeed very lethal. After two rounds, most of the children were eliminated, leaving only five children, including Lanshan and the little brother in the red T-shirt.

Next comes the senior round for five people, with a little break in between.

According to what Lanshan said before the competition: he will only participate in junior and intermediate competitions, not senior competitions. Because the advanced questions were too difficult, he had never played them at home.

Then don't participate if you don't participate.

Ye Lian and Cao Xueqian didn't force it anymore.

For a five-year-old, it's pretty good to advance to the senior level. According to popular sayings, they successfully made it into the top five.

but……