##########++
      #...........
      #......#..#.
#+#####...........
......a...........
#+#####......#..#.
      #...........
      ####+#####++
      #.......#   
      #.......#   
      #.......#   
      #...<...#   
      #.......#   
      #.......#   
      #.......#   
      #########