 20
                            
                                        20              
                            
                            
                     
                                                 19
                            
                                        19              
                            
                            
                     
                                                 16              
                            
                                        3D ture
                            
                                        16              
                            
                                        3D ture
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 13              
                            
                                        3D ture
                            
                                        13              
                            
                                        3D ture
                            
                     
                                                 
                                                 20
                            
                                        20              
                            
                            
                     
                                                 11              
                            
                                        3D ture
                            
                                        11              
                            
                                        3D ture
                            
                     
                                                 10
                            
                                        10              
                            
                            
                     
                                                 10
                            
                                        10              
                            
                            
                     
                                                 20
                            
                                        20              
                            
                            
                     
                                                 14              
                            
                                        3D ture
                            
                                        14              
                            
                                        3D ture
                            
                     
                                                 10
                            
                                        10              
                            
                            
                    