|                                                      27                                                                              | 
			
				|                             +--------------------------------------------------+                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                           13.9                                               13.9                                                    | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                  :                                                     | 
			
				|                             :                                                 C:                                                     | 
			
				|         +------------15.9---+------------------------27--22--------------------+                                                     | 
			
				|         :                            B:                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                           17.9                                     17.9                                                    | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|        30                            30                                        :                                                     | 
			
				|         :                             :A                                       :                                                     | 
			
				|         :                             +------------------22--------------------+                                                     | 
			
				|         :                             :                                       D:                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                            12                                       12                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         :                           19.9                                       :                                                     | 
			
				|         :                             :                                        :                                                     | 
			
				|         +--4---2H----17.9-----2---4---:------------------22--------------------G                                                     | 
			
				|         :      +------7.9-----+      F:                                        :                                                     | 
			
				|         6                             6                                       7.9                                                    | 
			
				|         :                             :                                        :                                                     | 
			
				|         +------------15.9-------------:                                        :                                                     |