| +--------------------23.5----------------------+----------12.5----------+                                                            | 
			
				| :                                              :B                       :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                            18.9                     18.9                                                           | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| 32                                             :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              :                        :                                                            | 
			
				| :                                              +----------12.5----20.5-------------------+                                           | 
			
				| :                                              :C                                        :                                           | 
			
				| :                                              :                                         :                                           | 
			
				| :                                              :                                         :                                           | 
			
				| :                                              :                                         :                                           | 
			
				| :                                             13                                         :                                           | 
			
				| :                                              :                                         :                                           | 
			
				| :                                              :                                         :                                           | 
			
				| :                                             21                                       21:                                           | 
			
				| :A                                             :                                         :                                           | 
			
				| +---------------17.9----+-----6-----+---5.5----:                                         :                                           | 
			
				|                         :          D:          :                                         :                                           | 
			
				|                         4           4          :                                         :                                           | 
			
				|                         +-----6-----+          :                                         :                                           | 
			
				|                                                :                                         :                                           | 
			
				|                                                :                                         :                                           | 
			
				|                                                +------------------20.5-------------------+                                           |