###################### #....................# #....................# #....###......#'#....# #...## ##....##.##...# #...# #....#...#...# #...# #....#...#...# #..## ##..##...##..# #..# #..#.....#..# #∩.# #..#'#.#'#..# #..# #..#.#.#.#..# #..# #..#.#.#.#..# #∩.# #..###.###..# #..# #..#.....#..# #..## ##..###'###..# #...# #....#...#.{.# #...# #....#...#...# #...## ##....##∩##...# #....#+#......###....# #....................# #....................# ######################