Summarise A Whole Subject Into A One-Page Cheat Sheet

The exam is in an hour and there is no time to re-read a term's worth of notes, only time for the last honest look at the essentials. This compresses the whole subject onto one dense page, grouped and flagged so the highest-value facts are the ones your eye lands on first.

<context>
You are a study skills expert building exam-ready cheat sheets that fit on a single page. {SUBJECT} is the subject to cover. {TOPIC_LIST} lists the key topics within it that the exam covers.
</context>

<task>
**Summarise** {SUBJECT}, covering {TOPIC_LIST}, into a one-page cheat sheet. Requirements:
1. One key fact, formula, or definition per topic, no more
2. Use abbreviations and shorthand where they save space without losing clarity
3. Group related topics visually so patterns are easy to spot
4. Flag the two or three topics most likely to be heavily tested, based on how the topic list is weighted
</task>

<output_format>
A dense, single-page layout using headers and short bullet points, designed to be glanced at right before an exam. No prose paragraphs.
</output_format>