###                     
          ###.####                  
          #...##.#                  
          #P#...##                  
          # ##..P######             
             ##....#..##            
             #.........#####  ##### 
             #..#P........†####...# 
            ##.######.......†.#...##
            #..#    ######..†......#
           ##..#         #####.....#
           #P.##             ###..##
           ##.#                #### 
           #..#                     
          ##.##                     
          #..#                      
   ∆     ##..#####                  
         #..#....##                 
         #P.......#                 
        ##........#                 
        #.........##                
       ##..........#                
      ##..........##                
     ##..(........#                 
     #...........##     ....(...### 
     ##..........#       .........# 
    ###..........#       ........## 
    #...........###       ........# 
   #...#..........####### ..(.....# 
  #...P#......D...Y...#P###.......# 
.....####...##.#...Y.....Y#.......# 
...#.   ##...########..YY.......#   
..##    #.......##########...>....# 
##      #...........#    #####....# 
        #..........#           ##.# 
        #..........#              # 
        #..........#                
        ##.........#                
         #....D....#                
         ##.......##                
          ##......#                 
           ##.<...##                
            ##.....#                
             ###...#                
                ....#               
                ##....              
                  ...#              
                   ...              
                    ..              
              ∆