#####                        
          #...#                        
          +...#                        
          #..)#                        
          #..<#                        
#######+###...#                        
#.............#                        
#.............#                        
#.............#                        
#..........####                        
#..........#                           
#..........#                           
#..........#                           
#..........#                           
#..........#                           
#..........+       ∆                   
#..........#     ∆ ∆                   
#########.####   ∆                     
        #aO..#     ∆                   
        #....#     ⌠                   
        #....###..#[                   
        #....'....#_                   
        #....####.#$                   
        #.....     ∆                   
       ........                        
     ...........                       
     ............                      
     .............                     
     ..#...........