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