.
     █ █                                                   █                █                                                   
█                █      █           █ █      █ █ █                               █ █                          
█                █      █      █                     █                █           █ █                               
█                █      █      █                     █                █                █ █                          
     █ █           █ █      █                     █ █           █           █ █                               
                                                                                                                                            
█ █ █                          
     █                █ █      
     █           █ █           
     █                █ █      
█ █ █      █ █           
                         
█ █           
     █ █      
█      █      
█ █ █      
                   
                         █                               
     █ █                               █ █      
█ █                █           █      █      
     █ █           █           █      █      
█ █                █                █ █      
                                                  █      

                                                                 █           
     █ █      █      █      █ █           █ █ █      
█                █      █      █      █           █           
█                █      █      █      █           █           
     █ █           █ █      █      █           █ █