dig3

   function back()
   turtle.turnRight()
   turtle.turnRight()
   for i = 1 , 50 do
   turtle.forward()
   end
end
   function new()
   turtle.turnLeft()
   turtle.forward()
   turtle.forward()
   turtle.forward()
   turtle.turnLeft()
   end

   function dig()
   for i = 1, 5 do
   turtle.dig()
 while not turtle.forward() do
   turtle.dig() end
   turtle.digDown()
   end
end
   function place()
   turtle.select(16)
   turtle.placeDown()
   turtle.select(1)
   end
function empty()
   turtle.turnLeft()
   turtle.forward(9)
   turtle.place()
   turtle.turnLeft()
   turtle.turnLeft()
 while true do turtle.forward()
    else do
    turtle.select(1)
    turtle.placeDown()
    turtle.select(2)
    turtle.placeDown()
    turtle.select(3)
    turtle.placeDown()
    turtle.select(4)
    turtle.placeDown()
    turtle.select(5)
    turtle.placeDown()
    turtle.select(6)
    turtle.placeDown()
    turtle.select(7)
    turtle.placeDown()
    turtle.select(8)
    turtle.placeDown()
    turtle.select(9)
    turtle.placeDown()
    turtle.select(10)
    turtle.placeDown()
    turtle.select(11)
    turtle.placeDown()
    turtle.select(12)
    turtle.placeDown()
    turtle.select(13)
    turtle.placeDown()
    turtle.select(14)
    turtle.placeDown()
    turtle.select(15)
    turtle.placeDown()
    turtle.select(1)
    end
    turtle.turnLeft()
    turtle.turnLeft()
    while true do turtle.forward()
      else do turtle.dig()
end
end

-- Main Code
  for i = 1, 10 do
  dig()
  place()
  end
  turtle.turnRight()
  turtle.turnRight()
  for i = 1, 50 do
  turtle.forward()
end
  new()
  for i = 1, 10 do
  dig()
  place()
  end
  turtle.turnRight()
  turtle.turnRight()
  for i = 1, 50 do
  turtle.forward()
end
  new()


  for i = 1, 10 do
  dig()
  place()
  end
  turtle.turnRight()
  turtle.turnRight()
  for i = 1, 50 do
  turtle.forward()
end
empty()
  new()