#. . ..4##.. ## #.#. #.##. .. .... .# .## #. ..#....## ..# ## .....#.#.## . #.#.##.###.# #.......[.v #..v..PPP.# #.vPPP..%.# #.vPPPPP.. #.P.P∩PP ..# #..PPPP P{# # #..PPP .. . #..P.. .# ....... ....#..#. ...#...#.## ..##.. .#..