"Brother Chenghu," Bumei took out a few candies from her pocket and handed them to Gao Cheng, who finished the call. "Can you think of a way to find the bomb after eating the candies?"

"Probably..." Gao Cheng took the candy with a dry cough, but didn't eat it again. Instead, he concentrated on remembering the bomb maker's tips.

A total of five bombs were installed on the circular line. It started at 4 p.m. and the train would explode if it was running at a speed of less than 60 km / h. In addition, the bomb would also explode after sunset.

The last tip is x of XX. For this point, I have checked under the seat and above the grid

But why does the bomb explode after sunset?

The train was still running at 70 hours, and the tall buildings outside the ring line flashed by. It took a long time for the light to return to normal.

Gao Cheng holds his chin and looks slightly moving.

Light?

I have some light in my mind, but I can't think about it

Looking at the Bumei with a look of expectation, as well as the depressed passengers on the other side, Gao Cheng's pressure suddenly increased.

Although he has made a promise, he is not good at solving puzzles. But there is no news from Conan now.

As time goes by, Gao Cheng breathes in the tense eyes of the crowd. He takes out his notebook and lists the clues one by one. He imitates the one minute mode of thinking and makes a difficult analysis.

The sound of the tram running, the noise of the passengers in the car and the cry of the children are always echoing in my ears, as if I could see the end of the explosion of the tram

In Lvtai Police Hospital, Conan has been taken back to the ward. Originally, he wanted to go to Dongdu railway station, but he was severely criticized by Maori Kogoro.

Dr. a Li looked at his watch and said in a deep voice, "the sun will set in half an hour. If we can't find it again, the bomb will explode at that time..."

"Chenghu..."

Conan's eyes are heavy. He has an appointment with Gao Cheng. Gao Cheng gets on the car to take care of Bumei and looks for the bomb by the way, while he and the police investigate outside the car together. But up to now, he has not figured out the connection between the bomb and "sunset".

"If the bomb goes off, even the skill of the city dwellers will be hard to survive. Bumei and others... Wait, if the sun..."

"I know!" On train 10, Gao Cheng closed his eyes and suddenly raised his head to look at the sun again.

"Brother Chenghu, do you know how to find the bomb?" Bumei said anxiously.

"Yes, the key is light. A bomb may be a special bomb that will explode without light!"

Gao Cheng compared with the data listed in his Notepad, the surrounding sound suddenly weakened, and the unique scene of thinking space appeared again. All the clues fused with each other, and the brain ran as fast as if it had taken medicine. The circular train and the sun light were presented as virtual models. He constantly assumed the possible location of the simulated bomb and denied it one after another, A perfect location for "60 kph" emerges.

"There it is Gao Cheng's eyes narrowed and looked closely at the position between the tracks under the train.

The bomb was not on the train, but between the tracks

In the one minute mode, the way of thinking mainly comes from Holmes' basic deductive method. According to the clue analysis and hypothesis, we can seek more clues by pushing backward until all the clues can form a perfect logic and find the only truth.

No bomb was found in the car. All the clues point to the track.

"Didi!" At Dongdu railway station, the phone in the arms of officer Mu Mu suddenly rings.

"Hello, this is mu mu."

"I'm Chenghu," Gao Cheng said. "Officer Mumu, I already know where the prisoner put the bomb!"

"What? You already know? " The remaining consciousness of Mu Mu's surprise looked at Maori, who was still thinking hard beside his eyes, "did you find the bomb in the tram?"

"The five bombs are not in the car. The correct location is between the tracks."

Gao Cheng looked at the passengers holding his breath and calmly explained to Mu Mu, "the bomb was designed by the prisoner. If it doesn't shine for more than 12 seconds, it will be detonated. When the loop train passes over the bomb, it will block the light for a few seconds. A car is 20 meters long, and the total length of 10 cars of the train is about 200 meters. If it passes through the bomb at a speed of 60 kilometers per hour, it will block the light for 12 seconds, That's why we can't go below 60 kilometers per hour! "

"Is that true, brother Chenghu?" Mu Mu can't help but shout out a voice, and the color of excitement is beyond expression.

"Well," Gao Cheng nodded and affirmed, "officer Mumu, now let the circular line train transfer to other tracks. As long as you don't stop on the circular line, there will be no danger!"

"I see!" Mu Mu cautiously hung up the phone and turned to the director of Dongdu railway standing on one side, "director sakuchi, it's related to the lives of all passengers, please!"

"Well!"

With sweat on his face, director sakuchi, the person in charge of the railway terminal, nodded and walked to the command desk in a dignified atmosphere: "attention, car 10! Transfer to the freight line of Zhibin station in 3 minutes! Get ready for action, now

"Train 10 will switch to the railway track in 3 minutes, Zhibin station confirms that the track connecting machine starts! The freight train moved to the emergency evacuation track! " The command room of the dispatching station is in a state of emergency and busy, and all staff keep in touch with each station and train“ No. 10 passes gangsongding station... To Zhibin station, and the track switching is completed! "“ Slow down now“ 68km... 64km... 63km... "On train 10, the passengers did not make any more noise. They just watched nervously as the train entered the freight track of Zhibin station and held their breath after the speed began to slow down“ Brother Chenghu... "Bumei hugs Gao Cheng's right leg in fear, and her face is full of worry“ It's OK. " Gao Cheng's heart is under great pressure. Although he has repeatedly confirmed and analyzed it in one minute mode, he still has a cold sweat on his forehead. The tram is slowing down continuously. The speed of 60 km / h is the moment of life and death. If there is an emergency, none of these children can be saved, or even himself“ Trust me Gao Cheng tries his best to calm down and brings Yuantai and Guangyan to his side“ 61 kilometers! 60 kilometers... "The train driver's face was sweating, gritted his teeth and continued to slow down," 59 kilometers! 58 kilometers! " The driver wiped his sweat and said excitedly, "this is train 10. There is no abnormal condition!"“ Good. Keep slowing down! Stop at the cargo track In the carriage next to the cab, Guangyan swallowed a mouthful of saliva and confirmed to Gao Cheng with lingering fear: "brother Chenghu, is it ok now?" Gao Cheng's heart was slightly loose, and a smile appeared on his face: "yes, we are safe."“ Really, really? " The passengers in the carriage wept with joy and cheers reverberated in the whole carriage“ Great, brother Chenghu Yuantai little fat man heard that he didn't have to die, so excited that he almost jumped up, "I'll treat you to eel rice when I go back!"“ I don't need this. I don't eat fish... "Gao Cheng gave a dry smile, but his thoughts turned to other trams. There are more than ten trams left on the ring line, and the bomb hasn't been found. It's just the beginning. Green Taiwan Police Hospital, Conan contact Mu Mu Mu with the identity of Shinichi Kudo, surprised to hear that the location of the bomb has been inferred by Gao Cheng, and there has been a train safely into the station freight track. When he hung up, Conan relaxed and went back to his hospital bed with a smile. He looked out of the window at dusk: "it's really wonderful. It's worthy of being a city dweller. The next step is to find the bomb and the prisoner..."