E mi
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            G
                                                
                                                    
                                                        
                                                    
                                                
                                                                4
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                1
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            A
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                1
                                            
                                            
                                                
                                                    
                                                        x
                                                    
                                                
                                            
                                            C
                                                
                                                    
                                                        
                                                    
                                                
                                                                1
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        x
                                                    
                                                
                                            
                                            D
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                1
                                            
                                            
                                                
                                                    
                                                        x
                                                    
                                                
                                            
                                            
                                                
                                                    
                                                        x
                                                    
                                                
                                            
                                            H
                                                
                                                    
                                                        
                                                    
                                                
                                                                4
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                3
                                            
                                            
                                                
                                                    
                                                        
                                                    
                                                
                                                                2
                                            
                                            
                                                
                                                    
                                                        x
                                                    
                                                
                                            
                                            
                                                    2.
                                            
                                             
                    