########   ########
                  #......#   #......#
                  #.####.#   #.####.#
   ∆              #.#  #.#   #.#  #)#
∆           #######.####.#####.#  #.#
            .............#.....####.#
          ∆ ####....................#
∆              #.##...###..##########
               #....<......#         
        .   #######...##...#         
        ..  ..........##...#         
         #.########.#......#         
         #..........####...#         
        ##..#....####....#.#         
        ..............#..#.#         
        #.......####..#..#.#         
        #........# #..####.#         
        ##.#####.###.......#         
         #.##  #.....#######         
       ∆∆ ...  ###)......#           
           #.#####....##+#           
           #..........#              
           #..........#              
           #.O........#              
       ....o.#####.####              
       .##.#     #.#                 
         #       #.#                 
                 #.#                 
                  .#                 
                                     
      ∆                              
                                     
  ∆