ID = 14
rednet.open("right")
function compare()
  for n=1,3 do
    turtle.select(n)
    if turtle.compare() then
      rednet.broadcast("Prepare thy anus")
      return true
    end
  end
end

function mine()
  for n=1,2 do
    if not compare() then
      turtle.dig()
      turtle.up()
    else
      prepare()
    end
  end
  if not compare() then
    turtle.dig()
  else
    prepare()
  end
  turtle.down()
  turtle.down()
end
function prepare()
  turtle.down()
  turtle.down()
  turtle.up()
  turtle.up()
  turtle.back()
  turtle.back()
end

while true do
  id, msg = rednet.receive()
  if id == ID then
    if msg == "mine" then
      mine()
    elseif msg == "Prepare your anus" then
      prepare()
    elseif msg == "forwards!" then
      turtle.select(4)
      turtle.placeDown()
      if not turtle.forward() then
        rednet.broadcast("I cant sire!")
      end
    elseif msg == "its over" then
      turtle.forward()
      turtle.forward()
      turtle.down()
      turtle.down()
      mine()
    elseif msg == "I cannot" then
      turtle.back()
      mine()
    end
  end
end