ami = peripheral.wrap("right")
amiw = ami.getWorld(ami.getPeripheralWorldID())
for y = 38,63 do
  for z = -840,-785 do
    for x = 420,460 do
      print(x,",",y,",",z)
      bID = amiw.getBlockID(x,y,z)
      if bID == 46 then
        if y > 60 then
          amiw.setBlock(x,y,z,49,0)
        else
          amiw.setBlock(x,y,z,0,0)
        end
        --sleep(0.05)
      end
    end
  end
  sleep(0.05)
end