...   
     #.....#
     #.....#
     #.....#
     #.....#
     +.....+
     #.....#
     #.....#
     #.<...#
     #rO...#
     #.....#
    .......#
  ........##
..........+ 
 .........# 
  ........# 
   ##.....# 
      ...