##########++
      #...........
   +  #......#..#.
####.##...........
......†...........
#+#####......#..#.
      #...........
      ####'#####++
      #.......#   
      #.......#   
      #.......#   
      #...<...#   
      #.......#   
      #.......#   
      #.......#   
      #########