anchor.diff:  ,Whiffletree,trail,closed,false,false,,Tohaul,more_difficult,false,false,closed
   ,Skyline,trail,open,false,true,,Tote Road,more_difficult,false,false,grooming
   ,Timberline,trail,open,false,false,,Tote Road Ext,more_difficult,false,false,open
  -,Double Runner,trail,open,false,true,,Tote Road X-Cut,more_difficult,false,false,grooming
  +,Double Runner,trail,open,false,false,,Tote Road X-Cut,more_difficult,false,false,open
   ,Skyline,trail,closed,false,false,,Upper Binder,most_difficult,false,false,closed
   ,King Pine,trail,closed,false,false,,Upper Boomauger,most_difficult,false,false,closed
   ,Skyline,trail,closed,false,false,,Upper Bubblecuffer,extremely_difficult,false,false,closed
  
positive.code: ,West Mountain,trail,closed,false,false,,Greenhorn Glade,more_difficult,false,false,closed
  ,Snowfields™ Summit,trail,closed,false,false,,Hard Tack,most_difficult,false,false,closed
  ,King Pine,trail,closed,false,false,,Haulback,most_difficult,false,false,closed
  ,SuperQuad,trail,open,false,false,,Hayburner,most_difficult,false,false,open
  ,SuperQuad,trail,open,false,false,,Haywire,more_difficult,false,false,open
  ,Snowfields™ Summit,trail,closed,false,false,,Hell's Gate,extremely_difficult,false,false,closed
  ,Brackett Basin,trail,closed,,,,High Ball Glade,more_difficult,false,false,closed
  
negative.code: ,Skyline,trail,closed,false,false,,Midstation X-Cut,more_difficult,false,false,closed
  ,King Pine,trail,closed,false,false,,Misery Whip,extremely_difficult,false,false,closed
  ,Whiffletree,trail,closed,false,false,,Moose Alley,more_difficult,false,false,closed
  ,Timberline,trail,open,false,true,,Narrow Gauge Ext,most_difficult,false,false,grooming
  ,King Pine,trail,closed,false,false,,Old Winter's Way,more_difficult,false,false,closed
  ,SuperQuad,trail,closed,false,false,,Peavy X-Cut,easier,false,false,closed
  ,Double Runner,trail,closed,,false,,Picaroon,easier,false,false,closed
  ,Skyline,trail,closed,false,false,,Pick Pole,more_difficult,false,false,closed
  ,SuperQuad,trail,open,false,true,,Pinch,more_difficult,false,false,grooming
  