The central idea is developed through the exploration of two different approaches to creating AI systems that can solve a Rubik's Cube. The first paragraph describes the UCI algorithm and its reliance on a neural network and machine learning methods, emphasizing the pattern recognition and learning capabilities of AI. The second paragraph discusses how OpenAI's Dactyl was trained through simulations rather than direct programming, showcasing a different method of preparing AI for real-world challenges. Therefore, the correct answer is:
They highlight two different approaches to creating AI systems that can solve a Rubik's Cube.