anchor.diff:  3,0,"dirt,dirtblock"
   4,0,"cobble,cobblestone"
   5,0,"plank,wooden_plank,plankwood"
  -5,1,"pinewood"
  -5,2,"birchwood"
  -5,3,"junglewood"
  +5,1,"pinewood,pineplanks"
  +5,2,"birchwood,birchplanks"
  +5,3,"junglewood,jungleplanks"
   6,0,"sapling"
  -6,1,"redwoodsapling"
  +6,1,"redwoodsapling,pinesapling"
   6,2,"birchsapling"
   6,3,"junglesapling"
   7,0,"bedrock"
  
positive.code: 2264,0,"strad"
  2265,0,"ward"
  2266,0,"eleven"
  2267,0,"wait"
negative.code: 15,0,"ironore,iron_ore,oreiron,ore_iron"
  16,0,"coalore,coal_ore,orecoal,ore_coal"
  17,0,"wood,log,oakwood,oaklog"
  17,1,"redwood,redwoodlog,redlog,pine,pinelog,pinewood"
  17,2,"birchwood,birchlog,birch"
  18,0,"leaves"
  18,1,"pineleaves"
  