while not rs.getInput("left") do
sleep(0.05)
end

if turtle.getFuelLevel() <150 then
  turtle.select(14)
  turtle.turnRight()
  turtle.suck()
  turtle.refuel()
  turtle.turnLeft()
end

turtle.forward()
for i=1,4 do
  for i=1,8 do
    turtle.select(15)
    turtle.digDown()
    if turtle.getItemCount(15) <2 then
    turtle.select(16)
    end
    turtle.placeDown()
    turtle.forward()
  end
  turtle.digDown()
  turtle.placeDown()
  turtle.turnRight()
  turtle.forward()
  turtle.turnRight()
  for i=1,8 do
    turtle.select(15)
    turtle.digDown()
    if turtle.getItemCount(15) <2 then
      turtle.select(16)
    end
    turtle.placeDown()
    turtle.forward()
  end
  turtle.digDown()
  turtle.placeDown()
  turtle.turnLeft()
  turtle.forward()
  turtle.turnLeft()
end
for i=1,8 do
  turtle.digDown()
  if turtle.getItemCount(15) <2 then
    turtle.select(16)
  end
  turtle.placeDown()
  turtle.forward()
end
turtle.digDown()
turtle.placeDown()
turtle.turnLeft()
for i=1,8 do
  turtle.forward()
end
turtle.turnLeft()
for i=1,9 do
  turtle.forward()
end
turtle.turnRight()
turtle.turnRight()
for i=1,12 do
  turtle.select(i)
  turtle.dropDown()
end
if rs.getInput("left") then
  sleep(3000)
end
os.reboot()