.                

                                                                                              .                                                                                                                                                                                                                                                                                                                                              

                                                                                              .                                                                                                                                                                         

                                                                                              .                                                                                                                                                                         

                                                                                              .                                                                                                                                                                         

                                                                                              .                                                                                                                                                                         

                                                                                              .                                                                                                                                                                                                                                                                                                                                               

                                                                                              .                                                                                                                                                                         

                                                                                              .