4 . . . ... . # ## #. .# #. . # . . .. .. # §§ . .....# . .# .# # §. .#.. . . # ... #. ## ... . ...# #.# ###.#. ## ....# #...## . #. ... ..# ....### .. .. #..... .. ....# # # ..##.....# ...#....# . .#. .. ...# .. # # .# . ..#.#.###.# .##.##.. # ..# #...###....... . . . #......##.......#. #. ..... . ............ ... ............._..... .#. . .....................# . ...... ................# .......................# .........................# #......##......##..... ##.. ##......##...X..##.. . .#.# ..................... ... .......................... ......................... ........................ ..................(. . .......Z.............. ##......##......##... #......##......# .. .................. .................. ................. ................ ............. ..............