Create a very simple Minecraft buil...

Create a very simple Minecraft building shell. STRICT SIZE: 48 blocks wide, 30 blocks deep, 42 blocks tall. Do not exceed this size. STYLE: Modern university engineering building. Simple rectangular shape. No fantasy blocks. No medieval blocks. No colorful decorative blocks. ALLOWED BLOCKS ONLY: white_concrete light_gray_concrete gray_concrete glass_pane light_blue_stained_glass_pane bricks red_terracotta orange_terracotta smooth_stone stone_slab iron_bars oak_leaves oak_log BUILDING: 8 floors. Flat roof. Front facade is white concrete grid with repeated glass windows. Left and right side towers use red terracotta or bricks. Ground floor has a recessed glass entrance. Add a simple concrete ramp and iron bar railings. Add a few simple trees in front. Output as .schem.