宅宅
   宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅宅
   宅                                                                               宅
   宅                                            宅宅                            宅
                                          宅宅
                                   宅宅 宅
                             宅宅       宅
                                           宅
                           宅宅宅宅宅宅宅宅宅宅宅
                                           宅             宅
                                           宅   宅宅宅
                            宅宅宅宅宅宅宅      
                        宅宅           宅
                                           宅
                                           宅
                                           宅宅宅宅宅宅宅宅