The Clown In The Pyramid
Chapter 18: The Clown in the Pyramid
Sensei had been inside the pyramid for three minutes when the trap closed.
He heard the others shouting behind him — Nobita's voice, then Doraemon's, then a distant sound that was probably Giant because Giant had also, it turned out, been in the general vicinity of Nobita's window when the Time Machine departed. Giant had landed in a sand dune and arrived at the construction site covered in dust and still holding a baseball he had been planning to use for batting practice.
Then the walls moved.
Not dramatically. They didn't grind or shake. They simply shifted, the way a thought shifts when you realize it was going in the wrong direction. One corridor became two. A junction that had been on the left was now on the right. The floor descended three steps without warning.
Behind him, the opening back toward the entrance had closed. Not sealed — he could see light around the edges — but narrowed to a crack that would not fit a person.
Sensei stood in the semi-dark and waited for the panic to arrive.
It did not arrive.
This was something about Sensei that students often failed to understand. They thought he was strict because he was cold. He was not cold. He was simply a man who had spent thirty years standing at the front of a room while thirty students panicked about examinations, and he had learned, by necessity, that panic was a choice you made with your attention. You could spend your attention on panic, or you could spend it on the problem.
He chose the problem.
He reached into his jacket pocket. The Translation Gummy was there — small, the size of a regular piece of chewing gum, wrapped in plain silver foil. Doraemon's future-food products always came in plain packaging. This one had a small label: TRANSLATION GUMMY — CHEW ONCE, COMPREHEND ALL WRITTEN LANGUAGES FOR 24 HOURS. MILD MINT FLAVOR.
He had already chewed it. That was good.
He also had the Memory Bread — flat, slightly stale-smelling slices, each printed with text or diagrams in a special ink that transferred to the eater's memory upon consumption. Doraemon had distributed them in the Time Machine alongside the Translation Gummies, the way you pack supplies for a hike you are not entirely sure about.
Sensei looked at the walls.
The walls were covered in hieroglyphs.
Under other circumstances — under the most extraordinary circumstances of an entirely ordinary professional life — Sensei would have spent a quiet afternoon in a library reading about these walls. He would have prepared lectures. He would have assigned homework asking students to research the construction techniques of the Fourth Dynasty.
He was now standing inside those walls, which was better, and which would result in homework being assigned as soon as they were home, regardless of what Nobita thought about it.
He read.
The hieroglyphs ran in careful horizontal bands, floor to ceiling. Most of the upper bands were original — the real language of the pyramid, dense with practical information. These were construction texts. Dimensions, angles, weights, sequences. Not religious texts. Not stories. Mathematics.
The lower bands were Joker's work. Jokes, riddles, obscenities, drawings of crocodiles in various undignified positions. A hieroglyph that appeared to depict the concept of a very small number. Another that, when translated, said simply: MADE YOU LOOK.
Sensei ignored these.
He read the original text.
He read it the way he read everything — carefully, from left to right, then back. His lips moved slightly, the habit of a man who teaches aloud.
He pulled out the Memory Bread.
The slices were labeled in Doraemon's careful handwriting: each slice would transfer its contents to the eater's permanent memory. Doraemon had pre-loaded several slices with Egyptian mathematical principles, anticipating something along these lines with the resigned foresight of someone who travels with Nobita regularly.
Sensei ate one slice. Then another. The taste was neutral, like bread without any particular opinion about itself.
He kept reading.
The maze was designed for chaos — that much was clear. It had been designed by a mind that took pleasure in disorder. Junctions appeared where no junction should be. Corridors ended in walls or in openings that led back to where they started. There were rooms that seemed to serve no purpose except to confuse.
But underneath all of it, beneath the Joker's additions and alterations, was something else.
The original structure.
The builders had left the real blueprint in the walls. Not a separate document — it was the walls themselves. The proportions of each corridor. The angles of each junction. The length of each passage relative to the others. It was mathematics, expressed in stone.
The same mathematics he taught in class.
The ratio appeared three times in the first section of wall. It appeared again at the first junction, in the proportions of the architrave. It appeared in the width of the corridor relative to its height. The same number, over and over, embedded in every dimension.
The golden ratio. 1.618.
Sensei taught it in the fifth year. He taught it by drawing spirals on the blackboard and listing its appearances in nature — the arrangement of seeds in a sunflower, the curve of a nautilus shell, the proportions of the human face. Students generally found this either very interesting or very boring, depending on how much breakfast they'd had.
He was standing inside a building where that number had been used to design every dimension of every room.
The builders had embedded their mathematics in the structure itself, so that anyone who understood mathematics would understand the building, and anyone who understood the building would understand the mathematics. It was a key and a lock made of the same thing.
The maze has a logic, Sensei thought. The Joker added chaos on top of it. Underneath, the math is perfect.
He took out his gradebook.
He turned to the back, where the blank pages were.
He began to sketch.
Corridor length relative to width: 1.618.
Direction changes always at angles of 26.5 degrees — the same angle as the pyramid's face.
Dead ends were placed at positions that were incorrect: they represented the wrong answer to the ratio problem. The correct path went where the correct proportions went.
He moved.
Left at the first junction, because the left corridor had the correct width-to-height ratio. Straight at the second, because the angle was right. Down the three steps, because the steps were spaced at golden proportions and led toward the center rather than away from it.
He was inside the mathematics.
He was also, he realized, extremely calm.
This was the other thing about Sensei that students did not always understand. He had not become a teacher because it was convenient or because he had no other options. He had become a teacher because he genuinely believed that the world was made of knowledge, and that knowledge was the most interesting thing in it, and that sharing it was the best possible way to spend a life.
He was currently navigating a four-thousand-year-old maze using the mathematical principles he had been teaching since before Nobita was born.
He felt, if he was honest about it, rather good.
He found them in the central chamber.
Nobita was sitting with his knees pulled up, looking miserable. Giant was standing against the wall with his arms crossed, looking like someone who had tried to hit the walls several times and found this unsatisfying. Doraemon was working on something with his pocket and having mixed results. Shizuka — who had arrived through a second portal that Doraemon had accidentally left open — was standing in the middle of the room looking at the ceiling with the expression of someone calculating.
The chamber was square, about five meters on a side. The walls were covered in chaotic hieroglyphs. The ceiling had been painted with an elaborate mural that someone had partially erased and replaced with a drawing of a grinning face.
Nobita's head came up. "Sensei?"
"Yes," Sensei said.
"How did you get here?"
"I followed the building." Sensei looked at the room. "The maze works on golden ratio proportions. The Joker added false corridors that violate the ratios. If you follow the correct proportions, the maze guides you to the center."
There was a pause.
"You figured that out by yourself?" Nobita said.
"And Memory Bread," Sensei said. "To memorize the route as I went."
Giant pushed off the wall. "How do we get out?"
"The same way. The ratios work in both directions." Sensei looked at Doraemon. "Are the gadgets not working?"
"Partially." Doraemon held up a small device. "The Joker's chaos field interferes with anything that relies on predetermined rules or patterns. The Anywhere Door requires destination coordinates. The Small Light needs a consistent scale relationship. The Take-copter needs reliable air pressure." He paused. "Things that rely on rules don't work properly when rules don't exist."
"Then we do not use gadgets," Sensei said. "We use the building."
He turned back to the corridor.
"Come," he said.
They came.
The way out was the inverse of the way in. The same ratios, the same angles, now read as exits rather than dead ends. Doraemon worked the mechanisms — ancient counterweights and pivot stones that the builders had installed for exactly this kind of navigation — and the passages opened in the correct sequence.
Twice, wrong turns revealed themselves immediately: the proportions were wrong, the angles were off. They backed up and took the correct route.
The Joker's additions were everywhere — false doors painted to look real, floors made to seem stable that were not, one room where the ceiling appeared very low but was not actually low. Each trick was clever. Each trick failed against the underlying mathematics.
At a junction with four options, Giant stopped.
"That one," he said, pointing at the third corridor.
Sensei looked. "How did you know?"
"The others are crooked," Giant said. "That one's straight."
Sensei measured the angle with his eye. The third corridor was, within two or three degrees, the correct proportion.
"Good," Sensei said.
Giant looked briefly pleased, which was not an expression he wore often.
They emerged from the pyramid into the late afternoon.
The desert was orange. The construction site was still buzzing with misdirected activity. Workers were trying to install blocks incorrectly. Foremen were offering conflicting instructions that all turned out to be jokes. The giggling powder was still in the air, catching the low light like dust.
From inside the Pharaoh's tent, the sound of someone performing.
The Joker's voice, distant and bright, telling a story with elaborate gestures that made the assembled court laugh and laugh and laugh.
Sensei stood on the sand and watched the workers.
He watched them place a block at the wrong angle. A foreman pointed at something and doubled over laughing. The block was placed. The angle was wrong by four degrees. In four thousand years, when archaeologists came with their instruments, they would find the anomaly and write papers about it.
Sensei looked at the pyramid.
The pyramid was trying.
The workers were trying, even through the giggling powder. They were hauling stone, fitting ramps, working the sleds, doing the thousand tasks that building something impossible requires. They were still builders. They had not forgotten how to be builders. They had just been convinced that building wrong was acceptable.
Nobody had told them it wasn't.
Nobody had explained the mathematics.
He looked at Doraemon.
"The Memory Bread," he said.
"Yes?"
"How many slices do you have?"
Doraemon reached into his pocket and counted. "Twenty-six."
"And what can be printed on them?"
"Anything. Diagrams, text, formulas. The ink transfers directly to memory when consumed."
Sensei thought.
He thought the way he always thought before planning a lesson: What do they already know? What do they need? What is the most direct path from one to the other?
The workers already knew how to build. They had been building the most ambitious structure in human history. They needed the mathematics. The path from knowing how to move stones to knowing how to place them correctly was, in the end, not very long.
It was a lesson.
He needed to teach a lesson.
"I am going to need a blackboard," Sensei said. "Or something equivalent."
"There is a flat limestone block near the south entrance," Doraemon said. "And I have chalk."
"Of course you have chalk."
"I also have the Moshimo Box, but that's for emergencies."
"It may be an emergency," Sensei said, and looked at the Pharaoh's tent. "But we will try the lesson first."
He straightened his jacket.
He picked up his briefcase.
"Come," he said again, and walked toward the workers.