Accessing the library

"It's heart-breakingly simple."

"What is?"

"The alien message… It's a fractal."

"What? Like one of those Mandelbrot set thingies from the nineties?"

"Yeah. But way more complex, and simple at the same time."

"How so?"

"It's a layered dataset. There's information encoded at every step. Move the step to zero and you're in the lobby of the library. That's where you can learn how to read the data. Move the step on, and you start moving through the sections. Change the X and Y axes and you move along the rows using X to see the book. It's... beautiful!"