######           ######          
                  #....#           #....###########
                  #....#           #....'..#......#
                  #....#           #....#..#......#
                  #....#           #....#..#####'##
                  #....##########  #....#####.....#
                  #....#.).)....#  #....'...#.....#
                  #....'...)....#  #....#...'.....#
                  #....#+###...#####....#..##.....#
                  #.<..#  ##...#(...#####..########
                  #....#  #...........#.....#      
                  #....#  #...........#.....#      
                  #....#####>...#############      
                  #........#....#                  
                  #........#....#                  
                  #........#....#                  
                  #........'....#                  
                  .........#....#                  
                   ####....######                  
                      #..........                  
                      #.......!..                  
             ∆    #####..........                  
                  #..............                  
               ∆  #..............                  
                 ##..............                  
        ..       #.....>.........                  
         ...  .  #.######+#####.                   
         #..  . ##.#                               
      .  #..##.##..#                               
      .(##..#.##..##                               
      .........#.##                                
      ...........#                                 
  ......J....=.###                                 
   ..=.)##..#.##                                   
   #...  #. ##.##        ∆                         
.###...      #).#                                  
.......      #..#                                  
.......    ∆ #..#                                  
  ##...##   ##()#  ∆                               
  #....{#####..[#                                  
...#...#.u.....##                                  
   ##.###uY...##                                   
   ...  #######                                    
  ...                                              
.....                                              
...)                                               
....                                               
                                                   
                    ∆