After leaving the classroom, Adam looked happily at the wooden corridors that connected the different classrooms. The corridors were illuminated by the same type of oil lamps used in the classroom.

There were only doors on one side of the corridors, while on the other side, one could find paintings of different people; all of them were dressed in black robes and had dark circles around their eyes, as if they had slept poorly from reading too much. These people were none other than the former teachers of the school on the 4th of 5th floor, hexagon 8 of 18, also known as the school of the middle floors.

With an uncommon happiness, Adam walked through the wooden corridors. They weren't very tall and had a height slightly higher than a person, nor were they very wide: at most, four people could walk shoulder to shoulder, but the corridors were quite long. Nevertheless, the claustrophobic atmosphere didn't seem to bother the cheerful young man walking through the halls, trying to hide his dirty shoes.

Unfortunately for Adam, his classroom was located at one of the far ends of the hexagon, so the young man had a long walk to reach the school's exit. Turning around the three corners of the hexagon, Adam finally found the hallway leading to the exit door.

The school's exit door was three times larger than the classroom doors and was placed on the side of the wall where the paintings were hung, making it easily recognizable. But rather than a door, it should be clarified that it was an empty frame connecting hexagon 8 with 4.

Adam passed through the giant frame and continued his journey. However, this time, he wasn't greeted by corridors filled with doors and paintings like in the school. Hexagon 4 was one of the six main hexagons, so its walls were surrounded by shelves full of books, except for the opening frames that acted as doors between the hexagons.

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In the middle of hexagon 4, there were more shelves forming another smaller hexagon with only two frames on each side acting as doors; this hexagon was known as an inner hexagon.

Inside that inner hexagon, whose walls were made up of shelves, there was yet another even smaller inner hexagon, with its walls also composed of shelves and two doors aligned with the previous ones, forming a corridor of frames.

In total, each main hexagon contained 18 inner hexagons filled with shelves where one could find books, so if it weren't for all the giant frames being aligned, one could find themselves in a beautiful labyrinth filled with colorful bookshelves.

Adam seemed not to want to draw attention from the people who were browsing or reading books inside hexagon 4. So, the boy decided to advance toward his goal through the outer ring of shelves.

Adam's objective was to reach hexagon 3 of 18. Hexagon 3 was not only one of the main ones, but it also had two staircases that served to go up and down floors.

Adam walked clumsily, trying to conceal his dusty shoes from the rest of the people in black robes. After walking for a while, the boy could see two marble frames and behind them, spiral staircases.

The spiral staircases were made of marble and exquisitely decorated. If one looked carefully, they could appreciate strange symbols engraved on each step of the stairs.

One of the staircases led to the lower floors of the middle level, and the other ascended to the upper floors of the middle level.

Adam was heading to the lower floors where his father lived. But instead of progressing, he stayed waiting at the staircase entrance.

The staircases were not very wide, and only four people could walk shoulder to shoulder. Therefore, the ancient librarians had designed a system to prevent jams and accidents inside.

Above each frame leading to a staircase, there were two stones: one green and one red. If the red stone blinked, it meant one couldn't enter, and it was better not to do so. Thus, Adam had to wait at the entrance; however, all the staircases had 100 steps between floors, so the wait shouldn't be too long.