Floor: 0
O-O-O O-C
| |   | | 
O-O-O O C
    |   | 
I-C-C-C-E
| | |   | 
O-O-O-O-C
| |     | 
O-O O-O-C
     
Floor: 1
O-O-O-O-C
| | |   | 
O-O O-O C
|     | | 
C-C-C-C-E
  |   | | 
O-O-O O C
| | | | | 
O-O-O-O C
     

