....                   
                           #...###                
                         .##.....#                
                        ∆.........                
                         ........###              
                         ..........##             
                            #.......#    ###      
                             ##..)..#   ##.##     
                           ###.<...######...##    
                          #..........#.#.....###  
                        .........#............)#  
                        ............#..........## 
                        ......#.#.#........#....# 
                        ......#####........#...###
                        .#....    #..............#
                         #..#.# ###..............#
                             ...#......†.........#
                             .........#.........##
                         ..  ...........####..### 
                         #.. .........#.###...#   
                        .#..##.....##).......##   
                        ..5....#.####........#    
                        ...... #####<.........    
                        ......###.##.###...#..    
                        ..............#....#      
                        .......∩.............     
                        ......†.y#........#.##    
                        ......S.........##..#     
                        ##....y†####....# ###     
                         #......#  #....#         
                         #.......  .....#         
                        .....#..#   ...##         
                        #.####.##    ..#          
                        ##   #.                   
                             ..                   
.............                                     
 ............                                     
  ...........                                     
###...!......                                     
#............                                     
  .........##                                     
∆  #........#                                     
   #.<.....#                                      
#.......y.##                                      
#.......y..#                                      
##....###.y.y                                     
 #...##   .y.                                     
 ####      ..                                     
      ∆     .