At 9:30 at night, the oil bottle woke up from a coma and felt that his brain was being scattered.

Accompanied by the burning pain on the hands and forehead.

He let out a dull moan. Then he heard a sound from the table in front of him.

Liu Yanxi brought a cup of hot water and placed it on the table. There was a white pill on his notebook.

"Just eat it."

Mon Oil Bottle frowned and looked at her.

Liu Yanshi blinked, suddenly, smiling:

"Anla, it's not the one Lala gave you. This one is ibuprofen, which is just pain relief."

The oil bottle still didn't say anything, and his eyes seemed to be saying "You know what I want to ask."

Liu Yanshi pouted, said "Okay", leaned down and leaned against the back of the chair, and whispered in his ear:

"The pill that Lala gave you...is called 'guillotine'."

The oil bottle was stunned.

Liu Yanshi continued: "The ingredients of this medicine are very similar to the real-life sperm used when interrogating prisoners. They will make people sink into a subconscious state... and then cause interference to the nerve center. This interference is absolutely fatal to the imaginary personality."

A trace of cunning flashed through her eyes:

"Simply put... after taking the 'guillotine', switch to your secondary personality, and then your secondary personality will fall into a deep sleep... and then die. The crazy-speaking masters call this process 'execution'."

Mon Oil Bottle opened his mouth slightly in surprise.

"The meaning of Lala has been expressed very clearly. If you really think Mr. Demon is troublesome...just kill him. There is no way to be simpler and more direct than this..."

Liu Yanshi paused and said with a smile:

"Anyway, the decision is up to you. I'm done!"

Then, she took advantage of the surprise of the oil bottle opening her mouth, picked up the ibuprofen on the table and stuffed it into his mouth, picked up the water cup and pressed him down.

The oil bottle was choked and coughed non-stop. Liu Yan ran away like a prank, and rushed to the sofa.

Shi Zuo ignored her. He was still shocked by the news that Liu Yanshi seemed to be casually speaking.

Ejaculation agent, "guillotine".

"Execution" of the secondary personality...

If the sub-personality is a soul without its own body, then "sentence" is no different from murder.

If what Liu Yanshi said was true, perhaps this is the true meaning of Master Kuangyan...

They can become any person. But only if they kill the previous "self".

If all these are true... How many "human lives" have been stained with Liu Yanshi's hands?

The severe pain in his mind has not subsided, and he doesn't want to think about it anymore.

I moved over my gaze and looked at the dilapidated bedroom door opposite me, and a feeling of depressedness appeared in my heart again.

First resolve this incident, and then resolve "you".

He warned himself in his mind.

At that time, I opened the notebook on my desk, clicked on the browser, turned to Weibo, entered a string of numbers based on my memory, and moved the mouse to the password bar.

He thought for a moment, turned his head, looked at Liu Yan coldly and said:

"Send me the text message record."

Liu Yanxi poked her head out from the back of the sofa, and there were still potato chips on the corner of her mouth.

"Hmm? Oh... are you going to start checking now?"

Shi Zuo said "yes" lightly.

"We don't have much time. When they find a blind spot, the case will start to accelerate. Fu Sizhe's suicide is an unstable factor that we don't understand. If the truth cannot be found before the police investigates it, it may be unfavorable to us."

Liu Yanshi understood this. So he didn't ask much, unlocked his phone and handed it to him. They were very careful when collecting Fu Sizhe's information. They did not ask Fang Qing to directly send a screenshot of the text message record to Liu Yanshi, but took it on their phone.

Shi Zuo took the phone and placed it on the desktop. He closed his hands and covered his mouth and nose to make a brief recollection. He opened the word document and typed a string of meaningless letters on the keyboard.

qerfgz,1~5.

Liu Yanshi brought another mahogany chair (it was confirmed that it was not the one that Shi Zuo had used), and looked at it for a while.

"These letters are arranged in the order of the upper left to the lower right of the keyboard... were they obtained from Uncle Fu's keyboard?"

"Well, the few keys with the greatest wear."

"You want to guess Uncle Fu's password by relying on these?"

"Maybe." Shi Zuo responded lightly.

"Tell me what you know first. What day is Fang Qing and Fu Yinger's birthday?"

Liu Yanshi recalled it.

"Mom Fang is June 22, 2019, and Ying Er is December 21, 2019."

When Zuo heard this, he entered two strings of numbers "19xx0622 and 19xx1221" into the document.

Liu Yanshi frowned:

"Are you sure Uncle Fu's password is the birthday of Mother Fang or Ying'er? Besides, the password on Weibo is a combination of letters and numbers... It's unlikely to guess the password..."

Shi Zuocai shook his head and said, "Fu Sizhe and Fang Qing's bank card passwords are all xx1221."

Liu Yanshi was stunned: "So?"

"It's just a problem with probability theory. There are not many clues, so I can only try it." He paused and continued: "In China, nearly one-third of family bank card passwords are the birthdays of their children. There are very few people who will use different passwords on different platforms and different accounts. Because the Internet age has not been developed for a long time, most people lack data security awareness. This is why many fake websites can get bank card passwords from users' login password information and then snatch... So I think there is a high probability that the suffix of that string of passwords is xx1221, or 1221."

Liu Yanshi muttered:

"Even so, you can't guess the combination of letters? No matter what, it's too far-fetched to judge that these keys contain passwords just from the wear of the keys?"

Shi Zuo shook his head and asked:

"What is the first thing you do after turning on the computer?"

Liu Yanshi blinked and said with some disconfidence:

"Um...open qq?"

"If you don't set a password to remember, the key you press on the keyboard will be the password for login."

Liu Yanxi narrowed her eyes and glared at him for a while:

"Don't be stupid! Keyboard wear is related to the frequency of the keys. Although I will enter the password every time I turn on the computer, I will only enter it once. How can there be wear and tear!"

Shi Zuo sighed and said slowly:

"The degree of key wear is certainly linked to the frequency of use, but it is not the only reason. Another very important factor is the grease on the hands."

“Hey?”

"When investigating the study, I noticed that Fu Sizhe's mouse has plastic paper on the bottom, and the wear level is very low. It should have been a new purchase. However, the mouse shell, especially the center and left and right keys, is very severely discolored. Normally, the mouse I just bought will not have such a degree of discoloration... This shows that Fu Sizhe suffers from hand sweating and often secretes oil on his hands."

"After pressing the key, the grease will remain on the key position. In other words, generally speaking, the key position with the most grease, that is, the few key positions pressed at the beginning... if the grease is dusty, it will make the key position look dirtyer than other key positions. This is the same as the traces left by the safe password."

Liu Yan looked silent and murmured:

"No wonder you have to apply the ash from the ashtray onto the keyboard..."

Then, she said:

"Even so, it's difficult to guess the correct password combination... There are six letters in total, and there are different arrangements and combinations... I'll calculate... more than 700, right?"

Shi Zuo raised his head and looked at her with a strange look.

"Did your math be taught by the physical education teacher?"

"What are you doing!" Liu Yanshi said annoyed.

"The arrangement and combination of six letters is not just more than 700. Considering that letters can be repeated, the algorithm is not 6 by 5 by 4 by 3 by 2 by 1, but 6 to the power of 6, which is more than 46,000."

"Isn't that even more impossible to guess!"

Liu Yanshi had not finished calling, but Zuo continued:

"And this only considers that the letter combination must be six digits. In fact, these six letters may not be all passwords, but only wear and tear caused by long-term use, so we have to add five digits, four digits, three digits, and two digits. It is optimistic that the total available combination should be within 100,000 - if the password combination is added, it is not a letter first, but a number first, and then a letter first... the number of this combination will double again."

Liu Yanxi drooped her head and shouted listlessly:

"It's useless."

Shi Zuo Cai changed his tone and said:

"But there is not necessarily hope to guess the password."

"Hmm? Why?" Liu Yanshi raised her head.

Shi Zuo pondered for a while and said:

"The input method used by Fu Sizhe is Wubi."
To be continued...