| +--------13.9--------+ | 
				| :                    : | 
				| :                    : | 
				| 10                   10 | 
				| +----6---+\     :                    : | 
				| 4.9            4.C  :                   B: | 
				| +----------------------------41-----------+--------13--------+-+--------13.9--------+-3--+ | 
				| :                                                                                        : | 
				| 5                                                                                        : | 
				| +-------------21---------------+                                                         : | 
				| :D                            F:                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                       28: | 
				| :                              :                                                         : | 
				| 24                            24                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                         : | 
				| :                              :                                                        A: | 
				| :                              :                    +-----------+---24.5---16------------+ | 
				| +-------------21---------------+                    3G          1----------16-----------H+ | 
				| +-------13.5--------6.9                                6.9: | 
				| :                                    : | 
				| +---------------24.5-----------------+ |