#.###...##     
####........      
#..........#      
#....?.....       
#......... #      
...........###.   
.......l##>....   
..#####.#...#     
............#     
###..##.#...#     
  #.  #.#...#     
  #   #.#...######
      #...<.......
   ∆  ############