 23
                            
                                        23              
                            
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 17              
                            
                                        3D ture
                            
                                        17              
                            
                                        3D ture
                            
                     
                                                 18              
                            
                                        3D ture
                            
                                        18              
                            
                                        3D ture
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 10
                            
                                        10              
                            
                            
                    