45 cm
                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                                                                                                                                            50 cm
                                                                                                                                                                                                
                                                                                                             
                                 
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                                                     
                                             
                                                                     
                                             
                                             
                                             
                                                                     
                                             
                                             
                                             
                                                                     
                                             
                                                                     
                                             
                                             
                                             
                                                                     
                                             
                                             
                                                                     
                                             
                                                                     
                                             
                                                                     
                                             
                                                                     
                                             
                                             
                                                                     
                                             
                                             
                                                                     
                                             
                                                                     
                                             
                                             
                                                                     
                                             
                                                                     
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                            