Build a fortified survival base for...

Build a fortified survival base for a zombie apocalypse (Cursed Walking mod). The entire structure must fit EXACTLY inside a 48x48 block square perimeter. Do NOT exceed 48x48 blocks in any direction. Outer walls must form a 48x48 square. Walls must be 5 blocks high and 2 blocks thick. Use ONLY these blocks: cobblestone, stone bricks, oak planks, spruce planks, glass, iron bars, iron doors, torches. Do NOT use any other blocks. Add a single 3-block-wide main gate centered on one wall with a double-gate choke corridor (5 blocks deep). Inside the walls include: One 10x10 two-floor house One 8x8 storage building One 12x12 farm area One 6x6 guard tower attached to a corner wall Keep all buildings compact and spaced efficiently. Prioritize defense and visibility. No decoration.