 20              
                            
                                        3D ture
                            
                                        20              
                            
                                        3D ture
                            
                     
                                                 19              
                            
                                        3D ture
                            
                                        19              
                            
                                        3D ture
                            
                     
                                                 20              
                            
                                        3D ture
                            
                                        20              
                            
                                        3D ture
                            
                     
                                                 6
                            
                                        6               
                            
                            
                     
                                                 15
                            
                                        15              
                            
                            
                     
                                                 13
                            
                                        13              
                            
                            
                     
                                                 13
                            
                                        13              
                            
                            
                     
                                                 19              
                            
                                        3D ture
                            
                                        19              
                            
                                        3D ture
                            
                     
                                                 18
                            
                                        18              
                            
                            
                     
                                                 9
                            
                                        9               
                            
                            
                     
                                                 
                                                 4
                            
                                        4               
                            
                            
                     
                                                 15
                            
                                        15              
                            
                            
                     
                                                 9
                            
                                        9               
                            
                            
                    