p

while true do
local success, data = turtle.inspectDown()
local minimumFuel = 400

if turtle.inspectDown() then
  if data.metadata == 7 then
    turtle.select(2)
    turtle.digDown()
    turtle.select(1)
    turtle.placeDown()
  end
end

turtle.select(16)
if turtle.compare() == true then
  turtle.turnLeft()
  turtle.turnLeft()
end

turtle.select(15)
if turtle.compare() == true then
turtle.select(2)
turtle.drop()
turtle.select(3)
turtle.turnRight()
   while turtle.getFuelLevel() < minimumFuel do
   turtle.suck(1)
   turtle.refuel()
   end
turtle.turnRight()
end

turtle.select(1)
turtle.placeDown()
turtle.forward()

end