#. .. .#. #.. #. .## .# ... ##.## . . ... #.##..##..## #. ...### #.#...#. .###.. .... ## ..###...#....# .## ..[###...#..#. ....## ....##..###..#.# # . ≈≈#.≈ #....#...#... #.. .≈≈≈ ###.#..X.##...#.. ..#≈ .. #...4..#....#. .. # . .. ###.#.###...##.#..# ...#.....#..#..### #.# #.. .#..#.#..#..#.# ....# ......#####.#..#...##.. #..#### #.......#. ..# ### ...#. . . ..## .# ##.....##.#. #.....#.#. .. . ...#.#..#∩ . ..####...###.... .. . #.## . # # . #.# # .....# # ##. # #. . ..# . #..# .. .. ##. .. . #.# . .. . #. .. . ## #