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