| 12 | 
				| 3----------------------3 | 
				| :B                     : | 
				| +---------12-----------+27.9-------------------------+----------12----------+ | 
				| :                                                    :C                     : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| 18.9                                                   :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :                                                    :                      : | 
				| :A                                                   :                      : | 
				| +----------------19.9-----------------+            37.9                     : | 
				| :                                    D:            38.9                     : | 
				| :                                     :              :                      43 | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| 19.9                                  19.9             :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                     :              :                      : | 
				| :                                    F1------7.9-----1                      : | 
				| +----------------19.9-----------------:G-----7.9-----+                      : | 
				| :             H4                      : | 
				| :              :                      : | 
				| 9              +----------12----------+ | 
				| :                                     : | 
				| :                                     4.9 |