How to break into a math book

This old castle is very big. Standing in the hall on the first floor and looking up, the spiral staircase leads to the top. According to a rough count, it is at least ten stories high.

Wang Boyu was stupid and bold. It was the first time he saw this kind of European-style castle, and he was excited to go upstairs to have a look. At this time, he heard the system prompt sound:

【Ding--】

[Sub-quest: the correct button. 】

[Rules: There are six buttons on the gate of the castle, and only one button can open the gate. The challenger chooses a button. If the button is selected correctly, the gate will be opened to pass the level. If it is wrong, it will be eliminated directly.The five clues about the button are in the castle, and the button not mentioned in the clue is the correct button. 】

Sure enough, haunted house adventures are a must.For the 6 almost indistinguishable buttons, the system will give five clues, and the challenger can judge according to the clues.So as long as you find 5 hints, find out the buttons that have not been mentioned according to the elimination method, and you can pass the level.However, what would happen to the normal clue-finding and guessing game under the interference of the virus program is unknown.

"This level has not been invaded by the virus." Just as Tu Hua judged that the terrifying atmosphere was created by the virus, Su Gechi denied his opinion out loud.

Tu Hua pointed in disbelief at the chandelier above his head that started to sway for no reason: "So you designed these supernatural events?"

Su Gechi shrugged amusedly: "How did I know you would be afraid of this."

Tu Hua wanted to cry, but followed Su Gechi cautiously.That idiot Wang Boyu had already rushed upstairs excitedly, so Tu Hua decided to search from the first floor.Although he was a little scared, since Su Gechi said that there is no virus in this level, it proves that there will be no harmful NPCs, but the atmosphere is a little scary.The previous levels can be passed, and it would be too embarrassing to lose face in a haunted house, so Tu Hua had to bravely search for clues.

The wood on the floor should have been in disrepair for a long time, and it will make a "creaking" sound when stepped on it, because the castle is too empty and has echoes, which makes it even more weird.

Tu Hua cautiously moved from the door to the living room, watching all directions, and listening to all directions, for fear that a ghost would come out of the darkness.The sofa in the living room was covered with dust, and there was a half-cut apple on the coffee table. The apple was already moldy and exuded a pungent smell.

Tu Hua squatted down and searched the coffee table. Except for fruit knives, ashtrays, and a stack of torn and discarded newspapers, there was nothing else that might contain information.Tu Hua picked up a fruit knife and rummaged through the ashtray, and there seemed to be nothing special...but the newspaper next to it seemed not quite right.

The newspaper had been torn in half, and the remaining half was devoted entirely to a piece of social news.The headline of the news was "Will not help...", and there seemed to be a few words after the words "Will not save", which should have been torn out.

This news is very likely related to the clues provided by the system.There seemed to be a pile of newspaper-like waste paper stuffed in the fireplace, Tu Hua quickly ran over to pick up the ball of paper, unfolded it and put it together with the newspaper on the coffee table - sure enough, it happened to be the other half that was lost.

After the newspaper is assembled, the information on it will be complete.The headline of that piece of social news was very frightening. It turned out that there were three words after "seeing death without saving" - kill without mercy.

Taking advantage of the moonlight shining through the window, Tu Hua quickly read the content of the news report and got a general overview of the news.

This is a murderer who thinks he is a man of heaven. It is said that a young woman was stabbed to death with a knife on the street. The onlookers did not save her, but witnessed her cruel death.The murderer then wrote an anonymous letter to the newspaper and attached a photo, saying that he wanted to kill all the onlookers.

There is a photo below the text, which should have been sent along with the murderer's letter. In the center of the photo is a young woman lying in a pool of blood. There are five onlookers standing next to her: one is in her 20s According to the news reports, he had died two weeks after the killer sent the photo; there was also a man who looked like a hooligan with a cigarette in his mouth, and he had also been killed by the killer ;Beside him stood a middle-aged woman in her 40s, leading a little girl who looked seven or eight years old, and behind the little girl was an old man who was poking his head out to look at the incident.

There are five people in this picture. The first two men have been killed by the killer, and only middle-aged women, little girls and old people are left alive.At the end of the report, it said that the police had sent people to strictly protect the remaining three people, hoping that the tragedy would not happen again.

This news ended like this, but Tu Hua felt something was wrong.Is the news in the newspaper a clue given by the system?If so, what exactly is it trying to express?

The strangest thing is that the back of this newspaper is completely blank, that is to say, the entire newspaper only reveals one piece of information that has been painted over, and that is the murder case.

The prompt is so obvious, which proves that this news must contain the information needed for customs clearance.

Tu Hua read the news again, and tried to analyze the content of the report with Tibetan acrostics or Tibetan suffixes commonly used by ancient people, but still did not get any effective information.

Could it be that... the information is related to the case itself?

Tu Hua's eyes fell on the photo again.It was reported that two of the five onlookers had died, and the murderer had already uttered bold words that he would kill all the onlookers.But the other three people who are not dead have been protected by the police, who can he kill?Or is he supernatural enough to jump past the cops and kill?

Tu Hua stared at the photo lost in thought.Onlookers... Could it be that there are more than these five people?The shooting angle of this photo is very ingenious, and it happens that the entire street is included in the lens, not only can clearly see the situation of the deceased, but even the expressions on the faces of the onlookers are clear.

But... who took this photo?

Tu Hua suddenly realized that in this picture, there are not only five onlookers, but another one, that is the person who took the photo!The police didn't send anyone to protect him, that is to say... the murderer's next target is him!

The newspaper puzzle has been solved, but what does it have to do with the six button clues?Tu Hua thought for a long time but didn't come up with a reason, so he was going to temporarily put down this clue and go to another place to have a look.

The dining room is separated from the living room by an aisle.Candles were still lit on the table in the dining room, and the pale wax liquid slid down the table. The shadows of the candle flames lit up the entire restaurant.

Tu Hua approached cautiously. There was a hanging painting beside the dining table. In the painting was a young man with a pale face, standing in a place that looked like a cemetery, with a camera hanging on his chest, looking into the distance.Tu Hua couldn't help feeling chills, he actually went to the cemetery to take pictures, and even hung this kind of pictures beside the dining table, thanks to this person who figured it out...

The dining table was not big, and beside it were six chairs that looked like they were about to fall apart. Tu Hua opened them one by one to check, and found a SLR camera on one of the chairs.

It was the one on the back of the young man in the hanging picture.

Tu Hua picked up the camera, pressed the power button on the upper left corner, and "swipe", the originally dark screen turned on.

And electricity!

Could there be any clues in this camera?Tu Hua quickly turned over the photos saved in the camera. There were only two photos in the camera. The first one was the one in the newspaper that showed the onlookers and the female corpse.

Tu Hua looked up at the painting on the wall in surprise. Could it be that this young man was the one who took the photo of the bystander murder in the report?Newspapers related to him, his camera, and hanging paintings printed on him appeared successively in this castle... Is this young man who took the photo the owner of the castle?

Tu Hua was at a loss as he slid his finger on the screen and flipped to the next photo.

This photo made him almost jump with excitement.Because there is no other content on this photo, only a line of words: [A button is on the left of B button].

That's obviously the hint for the button!

Tu Hua quickly ran to the gate with the camera in his arms, and marked the six buttons at the gate according to the prompt.The prompt says "A button is to the left of B button", so the order of these six buttons is: A, B, C, D, E, F?

Just in line with the information mentioned in this thread, A is to the left of B.Tuhua took out a marker pen and marked the bottom of the button. The letters A and B were written under the first and second buttons from the left.

According to the rules, there are a total of five clues in the castle, and the button that has not been mentioned by the clues is the correct button. From this point of view, both buttons A and B have appeared in the first clue, which proves the correct one. The buttons should be in the last four.

Tu Hua was confident in his discovery, and unknowingly became more courageous, and was about to go upstairs to find Wang Boyu to exchange information with each other, when he heard a gloomy male voice behind him: "Who told you to touch my camera?" gone?"