+ | + / +--x-+ o +----+ | | +----+ | | +----+ + +----+ o | | +----+----+----+ | + | + | +----+----+ | | +----+ + | | | | +----+----+----+----+
| |
| 1 Second Floor | | / | +----+----+--------------+
+ | + / +--x-+ o +----+ | | +----+ | | +----+ + +----+ o | | +----+----+----+ | + | + | +----+----+ | | +----+ + | | | | +----+----+----+----+
| |
| 1 Second Floor | | / | +----+----+--------------+