BUILDING B - 9TH FLOOR

A floor plan of a building with three sections labeled B9.1, B9.2, and B9.3, showing various rooms, kitchens, bathrooms, and hallways outlined in black and red.
Floor plan of a residential building showing multiple rooms, bathrooms, kitchens, and staircases, with red outline marking the perimeter.

B9.1

B9.2

B9.3