I'll also work hard to conquer the dungeon today.

Chapter 235, 1.17-12: A Crazy Night (Bonus: Sudoku)
Koya suddenly took half a step back, covering her mouth tightly with both hands, afraid that she might accidentally scream.

She glanced around and, relieved to find no one had noticed them, breathed a sigh of relief. She was terrified; she thought she'd been discovered!

"What's wrong?" Mu Yegui looked up at Ke Ya and asked softly.

Ke Ya shook her head and stared intently into Mu Yegui's eyes. Then, she silently glanced around and suddenly understood.

So does that mean all elements without highlight are the same?
This standard is so flawed that she doesn't even know where to begin.

They didn't know when, but everyone around them had disappeared, leaving only Ke Ya and Mu Yegui.

Suddenly, Mu Yegui paused slightly, looked up at the number 5 on the wall of a house, and then turned to look at the nearby houses.

5号房子的右边是4号房子，但是5号和4号之间隔着一条小路。5号房子右边只有两个相邻的小房子，但是没有任何数字。

The small house to the right of house number 4 also has no number, but further to the right is house number 6. Then a path separates them, with two small houses there also having no numbers, while the rightmost house has the number 3.
There are a total of 9 houses of the same style, and a path separates every three houses.

Ye Gui reached out and grabbed Ke Ya's wrist, then turned and ran towards the front of the row of small houses.

The arrangement is exactly the same, from left to right: [empty] [6] [empty] path [empty] [7] [3] path [empty] [empty] [empty].

Seeing that it was just her and Mu Yegui, Ke Ya finally asked, "What's wrong?"

Mu Yegui didn't say anything, but as if seeking an answer, he ran forward another row, still in the 3|3|3 arrangement.

“It’s Sudoku,” Mu Yegui said with certainty.

"But this is the September instance, shouldn't we need... mini-games?" Koya suddenly realized and asked in surprise.

I don't know when I suddenly entered the mini-game room. When exactly was it triggered?
Welcome to the 'Lockpicking' game room.

The rules are as follows:

[1. Players need to fill in the correct numbers on the locks of each room without making mistakes.]

[Second, a lock will only respond after all locks have been filled with numbers.]

[III. The time limit is three hours.]

[IV. Filling in the wrong information will trigger an explosion, wiping out everything in the game room, including the player.]

[5. Filling in the correct information will unlock all the doors to the rooms, but players can only choose nine rooms with unique numbers.]

[VI. Upon opening the door, you can make a choice; each room contains only one item.]

[7. There is only one door that allows players to leave the game room.]

[8. Each row, each column, and each 3x3 grid contains unique numbers (1-9).]

Koya's lips twitched slightly, and she ruffled her hair in frustration, saying, "I hate Sudoku the most. It used to drive me crazy. Back then, we used spreadsheets, but now we have to rely on real-time memory!"

81 rooms! How can a human being fill in the missing, unique numbers in three hours?

You have to keep running around and memorize it. Just remembering the map isn't enough; you have to calculate it in your head.

"This is really interesting." Mu Yegui's mouth was slightly open, and her tone was unusually excited, as if she was looking forward to it very much.

"It's up to you now," Ke Ya said softly, one hand on her forehead.

She's just a burden; it's better if she doesn't cause any trouble.

"Keya, wait for me in front of the little house in the middle." Mu Yegui nodded to Keya, then ran forward without looking back.

Koya's lips twitched slightly as she silently counted the number of small houses. Finally, she squatted down in front of the small house with five in each direction and took a twig to 'plant mushrooms'. She didn't know if it was her imagination, but Mu Ye returned very quickly. Even though she had no sense of time, it didn't feel like she had spent much time.

[Countdown: 02:48:21]

Koya glanced at the countdown and her lips twitched slightly. Sure enough, it wasn't her imagination; it only took 12 minutes.

"You've memorized it all?" Koya asked.

The arrangement of the small houses is actually like this:
【·】【·】【5】Small path【4】【·】【6】Small path【·】【·】【3】

【·】【6】【·】Small path【·】【7】【3】Small path【·】【·】【·】

【·】【7】【·】Small path【·】【·】【·】Small path【·】【6】【2】

---------------------------

【·】【2】【·】Small path【·】【·】【·】Small path【6】【·】【·】

【5】【·】【·】Small path【·】【·】【·】Small path【2】【·】【·】

【·】【·】【6】Small path【·】【·】【·】Small path【·】【9】【5】

---------------------------

【3】【·】【·】Small path【6】【·】【·】Small path【8】【·】【4】

【6】【·】【·】Small path【·】【9】【5】Small path【·】【·】【·】

【·】【·】【2】Small path【·】【·】【·】Small path【·】【·】【6】

Rule: No two numbers (1-9) can be repeated in each row, column, and 3x3 grid.

Mu Yegui frantically calculated and arranged the numbers in each row and column in his mind, his cold silver eyes fixed on the small house in front of him.

Ke Ya looked at Mu Yegui nervously, then looked down at the nine-square grid drawn based on Mu Yegui's words, and let out a long sigh. She had no way of calculating the time so quickly.

After an unknown amount of time, Mu Yegui suddenly spoke up, "Keep an eye on this little house, I'll go fill in the numbers."

"Huh?" Koya turned her head to look at the countdown [Countdown: 01:47:04], her lips twitching slightly.

It's been an hour, right?
At least give Sudoku some face. It's one thing to write it out and calculate it, but to memorize it all and calculate it in your head is just too inhuman!
"How interesting! I'll write this down for Daolin to play with," Mu Yegui muttered, and then walked away.

Koya: "..." I don't understand what you god-like players are thinking.

She sat on the ground, looking at the small house in front of her while playing with a bone flute in one hand, looking listless, clearly bored out of her mind.

He watched helplessly as Mu Yegui walked past him, then without hesitation filled in the numbers on the lock, and turned around to walk to another small house to repeat the same action.

However, the lock remained completely unchanged.

There was no response until Mu Yegui had filled in the numbers for all the locks.

As she was thinking this, she suddenly heard a 'click' sound, and all the locks on the small houses were opened and then disappeared.

In other words, Mu Yegui's answer was completely correct.

【Countdown 01:12:44】

Sudoku.

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(End of this chapter)