#... ##.. . ...#. #..#.# # # ∆ ..#.. . .∆#. ##.#### # ### .##... ###.. .....## # #. #.....##V### ## #.###..#.###...# #. # #. ##.#.#.§.X### .### #.V ...##.#V.# #.# .# ...#.##.#X#### . ## .##.#..#. . # .... # . .# #. ..# .## .#.. .. .#..##.#.# #...#..# #. # #...##.## ..... . #V##≈ #≈ . ... .# # .# ≈.≈ .# #. . #..# . # #≈# . ..#.## ..# #.. . .. # #. .#.# # ##.. . . .. ## . . . . # . . . # . .# . ##