# . . . . #.# . .. # . # . . # . .. . . . . . .. . .# #. #. ..##.. ## .. . # # .. ## # .#. ##.## . # ## # . #. .# # . ..#..# # # .##.# ... . #.# ##. . # .. #.. ## # # ## . . . ##.#.. #.. ..### ##∩ . ... #.#. .. .. ..## . # ..# #. .. . ##. #..##.# . ... .. ..# #.## ## ##.# . ## #..# ... ..#.. .. #....#.#### .#.#.. #.....# .#...##...#.# # #. ##......#... #.##..#.#......# #.......#.##..# #.#..#..#..# .# ###.#..##.#.. # #..R.## .#.# #.?.#...#.#.# #....##.#... ....#..# .# #. ....#....# # .###..##.# .#. ... .. .# .. .#