.. ..... #. # ... # #. .. #..#.# #. ... #.#.. .##..# #.. #.#.#....# . .... #.#..#..... . ..# #.....##.# .....###..#.....# .....#..#..# .. .# #....4.###.####. #.#..#...44.# .#..#.##.#4...# ##...#. ... ## ....#.##.......# #. ..#####.#.# .....#.∩.# ....# ... ..#. # .....# # ......## ...... #.#. ..# . .#.. _ . .# ... .. .#.