anchor.diff:  ,Snowfields™ Summit,trail,closed,false,false,,Jagger,extremely_difficult,false,false,closed
   ,Whiffletree,trail,closed,false,false,,Jill Poke,more_difficult,false,false,closed
   ,SuperQuad,trail,closed,false,false,,Kickback,most_difficult,false,false,closed
  -,SuperQuad,trail,open,false,true,,Kings Landing,more_difficult,false,false,grooming
  +,SuperQuad,trail,open,true,true,,Kings Landing,more_difficult,false,false,grooming
   ,Skyline,trail,closed,false,false,,Kurf Glade,most_difficult,false,false,closed
   ,Brackett Basin,trail,closed,,,,Little Androscoggin Glade,most_difficult,false,false,closed
   ,Brackett Basin,trail,closed,,,,Logging Road,more_difficult,false,false,closed
  
positive.code: ,Base Area,trail,closed,false,false,,TheLanding,easier,false,false,closed
  ,Timberline,trail,closed,false,false,,Tin Pants,more_difficult,false,false,closed
  ,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,closed,false,false,,Tote Road Ext,more_difficult,false,false,closed
  ,Double Runner,trail,closed,false,false,,Tote Road X-Cut,more_difficult,false,false,closed
  ,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
  
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,closed,true,false,,Narrow Gauge Ext,most_difficult,false,false,closed
  ,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
  