anchor.diff:  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"
  +17,1,"redwood,redwoodlog,redlog,pine,pinelog,pinewood"
   17,2,"birchwood,birchlog,birch"
   18,0,"leaves"
   18,1,"pineleaves"
  
positive.code: 3,0,"dirt,dirtblock"
  4,0,"cobble,cobblestone"
  5,0,"plank,wooden_plank,plankwood"
  5,1,"pinewood"
  5,2,"birchwood"
  5,3,"junglewood"
  6,0,"sapling"
  6,1,"redwoodsapling"
  6,2,"birchsapling"
  6,3,"junglesapling"
  7,0,"bedrock"
  
negative.code: 2264,0,"strad"
  2265,0,"ward"
  2266,0,"eleven"
  2267,0,"wait"
  