############     
    #..........#     
    #......b...#     
    #.......?..#     
    #..........#     
   ##..........#     
   #...........#     
   #...........#     
   #...#########     
   #...#             
   #...#             
   #...#             
   #...#             
   #...#             
   +...#             
   #...############  
   #...#......(...###
#.##...#..........≈≈#
#........#....<...≈≈#
#..#.##.##.........≈#
#........#≈≈......≈≈#
#........#≈≈≈.....≈≈#
##....#.##≈≈≈≈.≈≈≈≈≈#
 ..####.##≈≈≈≈≈≈≈≈≈≈#
...   ..###≈≈≈≈≈≈≈###
      ###........... 
       ..........####
       ########...   
               ...#  
               ...#