###         ###                         
              #.###########.##############            
              #...............#...÷......#            
              #.###########..##.########.#            
              #.#   ...................#.#      ##### 
              #.#   #.#####.##...#####.#.#     ##.<.# 
###           #.#     #   #......#   #.#.#    ##...###
....        ###.#####.#   ####.#.#####.#.#### #...##>#
.....########.........#      #.#............###...#.≈#
..w...........#..######      #.#...###.#.##.##...##.≈#
....$...).....#..#           #.#...###.#.##.##...#.≈≈#
..##.#####.##.#..#######     #.#...#.(.#.##.#...##≈≈≈#
 ∆       #.##.#........#           #...#..#.'...'≈≈≈≈#
       #..........#.#...           #...#..#.#...##≈≈≈#
       #........#.# #              #...##.#.##...#.≈≈#
       #........#.#                #...##.#.##...##.≈#
       #........#.#                #......#.###...#.≈#
       #..........#                ########.# #...##>#
       ..w.........                       ..# ##...###
      ##..........#                       #.#   #...  
                                             ∆