. # # # . .. # # # # .. # . #.. # #.. # # . ##.. ..## .#. . ##.. ...# .. ### ##.. . ...#### . .. .' .... ..'.......## ## #....... .### ...# ..# #.. .......#.. ..# . # .....#.. .R . .. #.... #∩.#.§..#. ##..# ##.. . #R . #..####.#..# § #.......#.## # ##..#...#.###. . ##......# . #......## . #####...##.# # ......5..#... . .#####.x........ #...##.### #..#. # #.###. #. #. .. .. .. ##