#..#..#    
  #..#..#    
  #..#..#    
  #..#..#    
 ##..#..##   
##...#...    
#....#.##.###
+..<.'......#
#....#bb....#
##...#......#
 ##..#......#
  #..#.###.##
  #..#.#  .# 
  #..#..   # 
  #..##.