#. .. .. #. .##. ... .# ... ...# #..# .. ..# .. .....#.## #.## #.# #....4.###...###. . #..#....# ....#.. .. #.............. ... ##.#.##..##..# ..# ...#.##..##. ##..## #.........(......... #. ........... . .. . # ....##∩.##..##..# .. ....##..##..## ##.. .##............ ... . ............... .. ..# .# ..##..## .# #. #..##..##..##..# ....... .. ...... .. .......... ... .##..##..##..## .# #. #..##..##.. . . .. ...... ... .. .... ..... . . ##. #..##..# . ..## .# . .#. .# # ##.#..