##                                        
       #r#                                       
        #.###                                    
         #..#                                    
         ##.#                                    
        ##†#.r#                                  
       ##.###.#                                  
       #.##  ##                                  
       #r#                                       
########r########################################
≈≈≈≈#≈≈..≈....≈.≈≈.≈≈.≈..≈≈≈≈≈≈≈.≈≈≈......≈≈#≈≈≈≈
≈≈≈≈#≈≈....≈...≈..≈≈≈≈≈≈≈.≈.≈≈≈....≈≈≈÷≈..≈≈#≈≈≈≈
#####################################.###########
                                   #.## #.       
                                   ##.##.#       
                                    ##†#.###     
                                    #.#.#..#     
                                  ######.#       
                                  #.#.#..#       
                                  ##...##.#      
                                  #.###.###      
                              ######≈######      
                             .≈≈≈.≈≈≈≈.≈.∩#      
                             .≈.....≈≈≈≈.∩#      
                             ##############