14              
                            
                                        3D ture
                            
                    
                            
                                        7               
                            
                            
                    
                            
                                        20              
                            
                            
                    
                            
                                        2               
                            
                            
                    
                            
                                        10              
                            
                                        3D ture
                            
                    
                            
                                        20              
                            
                                        3D ture
                            
                    
                            
                                        31              
                            
                            
                    
                            
                                        20              
                            
                            
                    
                            
                                        23              
                            
                            
                    
                            
                                        1               
                            
                            
                    
                            
                                        17              
                            
                            
                    
                            
                                        1               
                            
                            
                    
                            
                                        6               
                            
                            
                    
                            
                                        20              
                            
                            
                    
                            
                                        19              
                            
                                        3D ture
                            
                    
                            
                                        19              
                            
                            
                    
                            
                                        11              
                            
                            
                    
                            
                                        16              
                            
                            
                    
                            
                                        20              
                            
                            
                    
                            
                                        14