Building Turtle 5: Left Wall

turtle.select(3) turtle.back() turtle.down() turtle.down() turtle.down() turtle.down()
turtle.placeDown() turtle.placeUp() turtle.back() turtle.place()
 local i = 1
 repeat
  turtle.placeUp() turtle.back()
  i = i + 1
 until i == 5
turtle.placeUp() turtle.down() turtle.placeUp() turtle.down() turtle.placeUp() turtle.turnLeft() turtle.turnLeft()
 local i = 1
 repeat
  turtle.back() turtle.place()
  i = i + 1
 until i == 6
turtle.down() turtle.placeUp()
 local i = 1
 repeat
  turtle.placeDown() turtle.forward()
  i = i + 1
 until i == 6
turtle.placeDown() turtle.back() turtle.place()
turtle.back() turtle.back() turtle.back()
turtle.turnLeft() turtle.turnLeft() turtle.place()