 9               
                            
                                        3D ture
                            
                                        9               
                            
                                        3D ture
                            
                     
                                                 26
                            
                                        26              
                            
                            
                     
                                                 12
                            
                                        12              
                            
                            
                     
                                                 16              
                            
                                        3D ture
                            
                                        16              
                            
                                        3D ture
                            
                     
                                                 18
                            
                                        18              
                            
                            
                     
                                                 11
                            
                                        11              
                            
                            
                     
                                                 10
                            
                                        10              
                            
                            
                     
                                                 1
                            
                                        1               
                            
                            
                    