#.               
                                        #..      ∆ .     
                                         ...      .∆     
                                         #.#     .#      
                                       ###.######'##.    
     ....................              #.............    
    ......................             #.............    
    ......................             #.............    
    ......................             #...†.........    
     ...>.................             #.............    
      #...................             #...##'######.    
      #...................             #...#.......######
      #...................             #...#.............
      #.....#####......##              #...#.............
#######.....#...#†.....#               #.O.#.............
#......###'##...'†.....#               #...#.............
#......#........#......# ∆        .    #...#.............
#......#........#......#   ∆      ...  #...#.............
#......#........#......#          .....##'##.............
#......#...##...#......#+#########................#######
#......#...##...#.................................#.....#
#......#...##...#..........†......................#.....#
#......'........#..........†......................#.....#
#......#........#..........†......................#.....#
########........#.................................'.....#
 #....##...##...#.................................#+#####
 #....##.[.##...#..........##############'####+#.....#   
 #..............'..........#............#......#.....#   
 #..............#..........#............#......#....>#   
 #....##........#..........#............'......#.....#   
 #######........#..........#............#...)..#.....#   
      #.........#..........#............#......#.....#   
      ##...######..........##############'######.....#   
       #####.......######.............###.#    ..#####   
           #.......#    #.............#...#              
           #.......#    +.............#...#   ..         
           #.....(.#    #..........<..#...# ....         
 ###########.......#    #.............###'#.....         
 #...#..>.#........#    #########'##.....(..#            
 #........#........+           ....#........#            
 #....#...#........#          #....#........#            
 #....#...#........#          #....#........#            
 #....#...#........#  ∆       #....#........#            
 #...##.###........##+        #.##+#........#            
 #...##.######.........            ###......#            
 #...........#.........+             #......#            
 #...........#.........#             #......#            
 #...........'.........#                                 
 #...........#.........#                                 
 #......)....#.........#                                 
 #...........#.........#                                 
 #...........#.........#                                 
 #############..<......#                                 
             ###########