| ---------15.9-----------+                                                                                                            | 
			
				|                         :                                                                                                            | 
			
				|                         :                                                                                                            | 
			
				|    +------10-------+    :                                                                                                            | 
			
				| 12 :               :   12                                                                                                            | 
			
				|   7.9             7.9   :                                                                                                            | 
			
				|    :               :    :                                                                                                            | 
			
				| B  :              F:    :                                                                                                            | 
			
				| ---+----1310-------+--3-33-------------------------+                                                                                 | 
			
				|                                                    :                                                                                 | 
			
				|                                                   7.9                                                                                | 
			
				|                                                    :                                                                                 | 
			
				|                                                    :                                                                                 | 
			
				|                                                    +----------------23------------------+                                            | 
			
				|                                                    :C                                   :                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				| 30                                                 :                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                   24                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                  27.9                                27.9                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				|                                                    :                                    :                                            | 
			
				| A                                                  :                                    :                                            | 
			
				| ---------------22-----------------2                :                                    :                                            | 
			
				|                                   +------11--------+                                    :                                            | 
			
				| 6                                                 D4                                    :                                            | 
			
				| ------------------------33-------------------------+----------------23------------------+                                            |