####                      
                  ##..##                     
                 ##....##                    
                ##......##                   
  ####         ##........#                   
 ##..##   #### #.........##                  
##....#####..####.........#                  
#.......##....##..........##                 
#.∩.∩.......#..............##                
#..........###..............##               
##....##..## ###.........##..#               
 ##..######    ##........###.##              
  ####         #........## #..#              
               ##.......#  ##.#              
                ##.....##   #.##             
                 #.....#    #..#             
                  ##..##    #..#             
                    .##     #..##            
                    ##      ##..##           
                             ##..###         
                              ##...#         
                               ###.###       
                                #..#.##      
                               ##.##..#      
                               #..#..2##     
                               ##...#D.#     
                                #####...#    
                                   #...#.#   
                                   ##..# .#  
                                    #..#  .# 
                                    #..#   .#
                                    ...#    .
                                    ..##     
                                    .D       
                                   ...