###################.
         #......<...)).......
         #...........).......
         #...................
    ######...................
   ##........................
   ..........................
   ......y(........(.........
   ...###c###........########
        #J  ##.......#       
        .#   ##......#       
       a#     ##.....#       
      .#       #.....#       
     .#        #.....#       
    .#            ..