Generate a symmetrical medieval imp...

Generate a symmetrical medieval imperial government castle designed as the central state palace for a Minecraft Towny political server. The castle must use realistic medieval materials only, primarily: Stone bricks Cracked stone bricks Mossy stone bricks Andesite Polished andesite Stone Deepslate for foundations Dark stone or slate roofs Do NOT use ore blocks, mineral blocks, diamond, gold, emerald, or decorative fantasy materials. Layout requirements: A circular central hall approximately 40 blocks in diameter serving as the main entrance hall. A large grand staircase inside the central hall leading to upper floors. Two symmetrical corridors extending from the hall (approx. 18 blocks long and 9 blocks wide). At the end of each corridor, create a 15×15 administrative room ful