B floor

B floorB floorB floorB floor
B floorB floorB floorB floorB floorB floorB floorB floor
B floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floor
B floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floorB floor
B floorB floorB floorB floorB floorB floorB floorB floor