 21
                            
                                        21              
                            
                            
                     
                                                 14              
                            
                                        3D ture
                            
                                        14              
                            
                                        3D ture
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 18
                            
                                        18              
                            
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 15
                            
                                        15              
                            
                            
                     
                                                 18              
                            
                                        3D ture
                            
                                        18              
                            
                                        3D ture
                            
                     
                                                 14
                            
                                        14              
                            
                            
                     
                                                 8
                            
                                        8               
                            
                            
                    