&,,,,&,&,&                                          &,&&&&&&,&
&,,,&&&&&&                                          &&,,,,,&&,
&,,&,,,,,&                                          ,&,,,,&,&&
&,&&,,,,&&                                          &&,,,&&&,,
&&,&,,,&,,                                          ,&,,&,,&,&
,&&&,,&&,,          ,                    ,          &&,&&,&&&,
&,,&,&,&,,         :=                    =:         ,&&,&&,,&,
&,&&&&&&,&     ,,,==%= 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           ,,,&,&,,&,
,,,,&,,,,&                                          ,,&&&&,&&&
,,,&&,,,&,                                          ,&,,,&&,,&
,,&,&,,&&&                                          &&,,&,&,&&
,&&&&,&,,&                                          ,&,&&&&&,&
&,,,&&&,&&                                          &&&,,,,&&&