#.#.##...#                                          ..#..#....
....###..#                                          ...#..#...
....#.##..                                          #...#..#..
......###.                                          ##...#..#.
......#.##                                          .##...#..#
#.......##          .                    .          .###...#..
.#......#.         -=                    =-         .#.##...#.
..#.......     ...==*= rules for travel =*==...     ...###...#
#..#......         -=    (esp. biking)   =-         ...#.##...
.#..#.....          .                    .          #....###..
..#..#....                                          ##...#.##.
...#..#...                 #  one  #                .##....###
#...#..#..          "detour before retour"          .###...#.#
##...#..#. if  not necessary, you should never find .#.##....#
.##...#..# yourself on  the  same  part  of  a road ...###...#
.###...#..                  twice.                  ...#.##...
.#.##...#.                                          #....###..
...###...#                #  two  #                 ##...#.##.
...#.##...            "the kalmar rule"             .##....###
#....###.. you  get  one  glance at google map  per .###...#.#
##...#.##. person  and  evening. you can  not  show .#.##....#
.##....### your   map  search   to  anybody   else. ...###...#
.###...#.#                                          ...#.##...
.#.##....# ===   ---   ===    ---   ===   ---   === .....###..
...###...# "rules  are  meant  to make  you think a #....#.##.
...#.##... bit   before   breaking   them"   -   t. .#.....###
#....###..         pratchett (paraphrased)          ..#....#.#
##...#.##.                                          ...#.....#
.##....### ===    ---   ===   ---   ===   ---   === ....#....#
.###...#.#          see also: a nice path           .....#....
.#.##....#                                          #.....#...
...###...#                                          ##.....#..
...#.##...                                          ###.....#.
.....###..                                          #.##.....#
#....#.##.                                          ..###.....