.# .. #. ∆ #.# ∆ # #.# # . #. #.# #.#...... #.#####.######.#.....# ##...#................# .........# .....#.#...#..........# .........# ##....#........#.....## .......... ..#.....#.....#.........# .........# #...........#.#........#### ....sO...# ...#..<#.....#...........# ?....yy..# #.#....#..##.#.....##.# ......(..# # #.##)#........#####.###########s# #.##.#..##.#### #.yyyyyy......# #.##.....#.# ############### ..#####..#.# ∆ ... ##.#.# ..# #.#.# #..[# #...# #...# #...# #.#.# ..#>. #..###. #..