##.#      
       #..#      
       #>.#      
       #..#      
∆  #   #..#    # 
   #.###..####.# 
 ###...........##
 ........<.......
  ######.O#######
       #SS#      
########.s#      
#.........#      
#########.#      
        #.#      
 ∆      #.#      
        #.......s
        ...######
       .##.#     
      #.  .#     
      #   .#     
          .#     
          .#