#   #          
         #.? ..#         
        #..# #..#        
       #..#   #..#       
     ##..#     #..##     
    ##..#       #..##    
#####..###########..#####
#.......................#
#.#..###.##.#..#.###..#.#
#.##.#...##.#.###..#.##.#
#..#........#........#..#
##...######.#.######...# 
 ##?..##  #...#  ##...## 
  ##...## ##### ##...##  
   ##sg.###...###...##   
    ##...#..<..#...##    
     ##...........##     
      ##....#...###      
       ##########