Turtle Programm

for x=1,6 do

 for x=1,2 do

  for x=1,2 do

   for x=1,20 do

    while turtle.detect()==true do

    turtle.digUp()
    turtle.digDown()
    turtle.dig()
    os.sleep(1)

    end

    turtle.forward()
    turtle.digUp()
    turtle.digDown()

   end

  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.digDown()
  turtle.digUp()
  turtle.turnRight()

   for x=1,20 do

    while turtle.detect()==true do

     turtle.digUp()
     turtle.digDown()
     turtle.dig()
     os.sleep(1)

    end

    turtle.forward()
    turtle.digUp()
    turtle.digDown()

   end

  turtle.turnLeft()
  turtle.dig()
  turtle.forward()
  turtle.digDown()
  turtle.digUp()
  turtle.turnLeft()

  end

  for x=1,4 do

   for x=1,4 do

    while turtle.detect()==true do

     turtle.digUp()
     turtle.digDown()
     turtle.dig()
     os.sleep(1)

    end

    turtle.forward()
    turtle.digUp()
    turtle.digDown()

   end

    while turtle.detect()==true do

     turtle.digUp()
     turtle.digDown()
     turtle.dig()
     os.sleep(1)
     turtle.digUp()
     turtle.digDown()

    end

  turtle.select(2)
  turtle.placeDown()
  turtle.forward()
  turtle.digDown()
  turtle.digUp()

  end

  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.digDown()
  turtle.digUp()
  turtle.turnRight()

   for x=1,20 do

    while turtle.detect()==true do

     turtle.digUp()
     turtle.digDown()
     turtle.dig()
     os.sleep(1)

    end

    turtle.forward()
    turtle.digUp()
    turtle.digDown()

   end

  turtle.turnLeft()
  turtle.dig()
  turtle.forward()
  turtle.digDown()
  turtle.digUp()
  turtle.turnLeft()

 end

turtle.turnLeft()
turtle.forward()
turtle.select(3)
turtle.placeDown()
turtle.select(4)
turtle.dropDown()
turtle.select(5)
turtle.dropDown()
turtle.select(6)
turtle.dropDown()
turtle.select(7)
turtle.dropDown()
turtle.select(8)
turtle.dropDown()
turtle.select(9)
turtle.dropDown()
turtle.select(10)
turtle.dropDown()
turtle.select(11)
turtle.dropDown()
turtle.select(12)
turtle.dropDown()
turtle.select(13)
turtle.dropDown()
turtle.select(14)
turtle.dropDown()
turtle.select(15)
turtle.dropDown()
turtle.select(16)
turtle.dropDown()
turtle.select(1)
turtle.refuel(4)
turtle.back()
turtle.turnRight()

end