......                                       
      .....##   .........####..   ..              
       ......   ..#...#........   ..#             
        ....#   ...............####..             
      ###...#####............#.##....             
      #........##..........#......#.##            
      #.........#..........#....##...#            
      #................)...#.#...#...#            
#.  ###....÷...............#.#.#.....#            
#...#.................##.......##....#            
#...............####....#...#..##....##           
#...###........#######................###         
#    ##......................>..........##########
     #.......###......#.#.........###....##......#
     #.......# #....###..........................#
     #.###...# #....##...>.........##....##...÷..#
  #..Sw............................########......#
  #.........#.......###..................#########
  #...........##....# #....<..........>..#        
  #........### #......#..................#        
  #........#   #....#.#.........##########        
  #........#   #....#......<...##                 
  #........#   ########.........#                 
                      #.........#                 
                      #.........#                 
                      #.........#                 
                      #.........#                 
                      ##.......##                 
                       ##.....##                  
                        #######