|                          22                                                                                                          | 
			
				| -----------------------------------------------------+                                                                               | 
			
				|                                                      :                                                                               | 
			
				|                                                      6                                                                               | 
			
				|                                                     +--------7.9-------+                                                             | 
			
				|                                                     2C                 :2                                                            | 
			
				|                   +--------------13.9---------------+--------7.9----14.5----------------+                                            | 
			
				|                   +B---------------------------------+                                  :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				| 18.9              :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                  13                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                     :                                            | 
			
				|                   :                                                                  24.9                                            | 
			
				| -------7.9--------+                                                                     :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				| 12                                                                                      :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				|                                                                                         :                                            | 
			
				| A                                                                                       :                                            | 
			
				| ------------------17.9--------------------+---------------+----18.4-----12--------------+                                            | 
			
				| 2-----------------17.9-------------------F+2              2-------------12-------------D2                                            |