...            . .        
   ....#           ...#       
  .....#######  ###...#       
 .........#..    ...#.#  .#   
........#.#.###  #.##.###.##  
........#.#...####........... 
  #.................#........ 
  #........<................. 
  #...†......................#
  #.............#.##.........#
  #......#........##.####..###
  #......#......####.#     .  
  ##.@†..########  #.####     
   #.....#         #....#     
   #.....#         ####.#     
   ......#            #.#     
  ##.....#            #.#     
   #.....#        #####.#     
   #.....#        #.....#     
     ###          #.#####     
                  #.#         
                  #.#         
                  #.#         
                  #.#         
                  #.#         
                  #.#         
                  #<#         
                  ###