. #.# ≈ ### # #. #. #### #.... #. # # ..##### #. #####.#.#..# .# #.. #. . ...#.#..# # # #...### #...##.. # .### # ##..#.# ..##.#.# #.# . . #.x..#...#..#### #. § # . . #.####.##...#...# #.# ..## . .. #...##......# # #..#. . .# ... # ## ######.# # ##. . # #. ## ## #..## # #. # ##. # # # #. # . # # # #. . . #