Usually on the seventh and eighth days of the lunar calendar, the moon in the sky presents a "D" shape, which is the first quarter moon; On the 21st and 22nd of the lunar calendar, the moon presents an inverted "D" shape, which is the last quarter moon.

――Excerpt from "Essays of Ling Zikai"

Because Leng Zi had agreed to stay here with her for a while, Xiao Hook directly operated his character to walk to the lake, and then sat on the grass by the lake.

Lezi looked at the little hook and hesitated slightly, and the hero who operated himself followed.

In the lake, without the movement of the boat, the lake water is as calm as a mirror, directly reflecting the moon and the stars in the sky, the original night thought that the moonlight, starlight and the moonlight and starlight reflected in the lake water are intertwined, making the night seem to have no darkness as it should be!

Little Hook looked at the beautiful scenery of the night sky and the calm lake in the game, and said, "It would be nice if there was such a beautiful scenery in reality!" ”

Girls are sometimes so emotional and easily influenced by the environment!

In such a quiet and elegant atmosphere, the ridge also followed the small hook to let his hero sit on the grass, look up at the sky and watch the moon in the game!

……

Looking up, Lingzi murmured to the moon: "The full moon is in sight, the new moon is the new moon, the half moon is the quarter moon, the moon is like a hook, and it is called the waning moon." Now the shape of this moon, which happens to be in the shape of the English letter 'D', is the first quarter moon! ”

The little hook said strangely: "You know the moon too?!" ”

"I understand!" "It seems that I liked to read books when I was a child, especially encyclopedias! I like astronomy too! The moon and the stars know a little bit ......"

"Oh!" Little Hook nodded, feeling a little happy in her heart, because in addition to him in the game, she knows a little bit about him, and she herself likes to read, which should be regarded as a common love, right?!

……

Leji looked at the sky, as if looking for something, and then pointed to a starry sky in the game scene: "Look over there, it's those five stars, connected into a "W" shape, that's Cassiopeia!" That's right! Little hook, do you know how to find the North Star?! ”

Looking for the North Star is astronomical common sense, and the little hook who likes to read books also knows it!

"Yes! First find the Big Dipper in the shape of a 'spoon', and then extend the distance between the two stars at the head of the 'spoon' by a factor of five, and the star pointing to is the North Star! Right!? ”

"Hmmm! Right! Using the Big Dipper is a way to find the North Star and discern the direction! Leng Zi nodded, and then said, "And another counter is to use Cassiopeia, Cassiopeia is the northern constellation, the northern hemisphere can be seen almost all year round, and autumn is especially obvious, you can also use her to discern the direction, and you can also find the North Star!" If the two sides of the 'W' shape of Cassiopeia are extended at one point, and the line between this point and the point in the center of the 'W' shape is also extended by five times, and the North Star is the North Star! ”

The little hook looked at the sky for a long time without squeaking, as if it was the method that Yàn Lingzi had just said, and then said with a little surprise: "Is this really the case?!" The little girl was taught! ”

Lingzi smiled: "You don't need to say it so gently!" Little hook, you usually like to read books, right? ”

"I love to read, books can tell other people's stories, but sometimes people can empathize; Sometimes it can broaden your horizons and ...... Well?! I can't say it well all at once! ”

Lingzi: "Can you only understand, but can't you speak?!" ”

Little Hook nodded: "Pretty much it!" ”

Lingzi lay on the grass by the lake, looking at the starry sky: "However, speaking of which, the mission scene of this mission is so finely arranged!" Not only is the surrounding scenery beautiful, but even the roundness of the moon and the direction of the constellations are arranged?! I just don't know what the follow-up mission is?! Could it be that the programmer only knew how to make the scenery and forgot about the follow-up plot, right?! ”

The little hook replied next to him: "If you forget to do the follow-up task, it will be a heavy bug." And the task called BUG should not be sent out, let the player do it, right?! ”

Lingzi sat up abruptly and looked at the little hook: "That's right! The BUG task will not be sent, and so many people have done it, there must have been players who have taken a low task completion rate because they can't find the follow-up mission information, and report the BUG. And this task has not changed at all from the task process you told me and the content we have done, so this task is not a bug at all! ”

"Oh?! Oh! The little hook nodded, thought about it, and seemed to be really what Leshiko said.

"Puzzle game?!" Lingzi grinned at the corners of his mouth, habitually touched his chin, and while thinking, he analyzed as if talking to himself, "A game scene, the scenery is beautiful, understandable, and reasonable." But why is it that the moon in the sky is missing, the shape of the constellations, or something...... Even when I was driving on a boat just now, the ripples in the lake water were made so carefully?! You know, doing these subtle animations is a thankless task for programmers, and in a sense, it's more laborious than doing a task plot! ”

The moon is full and missing?! Zodiac azimuth?! Ripples in the water?!

Letsuko looked up at the moon and Cassiopeia in the sky, and then looked down at the calm waters of the lake.

Because there is no prismatic sailing, the lake is calm and waveless, the light is as bright as a mirror, and the moon and stars are reflected in the lake!

The reflection of the first quarter moon in the water, even after being reversed by the principle of mirror imaging, is still in the shape of a "D"; However, the reflection of Cassiopeia has changed from the original "W" shape to an "M" shape because of the flipping of the mirror imaging principle.

The sharp, sharp stalagmite jutting out of the water in the central part of the lake is currently located between the first quarter moon and the reflection of Cassiopeia.

This maverick, protruding stalagmite, when Lingzi returned home, deliberately visited Wèn and tried the reconnaissance technique, but at that time, no effect or hint was obtained.

But now, looking at the shore of the lake now, it is clearly an "A" shaped stone!

The four letters "A", "D", "M" or "W" from the scenery are likely to be the intelligence clues of the follow-up mission!

However, there are many kinds of capitalized abbreviations composed of these letters, such as AMD is the abbreviation of Supermicro Semiconductor, ADM is the abbreviation of bifurcation multiplexer, and DAW is the name of a music software; And there are also abbreviations of long words related to these letters, such as ad is the long word advertisement, the abbreviated form of advertising!

……