Generate a massive, highly detailed...

Generate a massive, highly detailed steampunk mega-castle structure. Scale requirements: - The entire structure must cover at least 150x150 blocks. - The total height must be at least 200 blocks. - The build should be vertically dominant and impressive from far distance. - Take as much time as needed to maximize detail, complexity and structural logic. Layout: - The outer perimeter must be a perfect or near-perfect circular fortress wall (wheel-shaped layout). - The circular wall should be thick, fortified, and realistic, with layered depth. - Include multiple defensive rings if possible. - Add large reinforced gates aligned to the cardinal directions (N, S, E, W). - Include watchtowers evenly spaced along the circular wall. Interior: - Inside the circular fortress, place a gigantic cen