Building Turtle 2: Front Wall

turtle.select(4) turtle.forward()
 local i = 1
 repeat
  turtle.up() turtle.placeDown()
  i = i + 1
 until i == 9
turtle.forward() turtle.select(2) turtle.down() turtle.down() turtle.down()
 local i = 1
 repeat
  turtle.down() turtle.placeUp()
  i = i + 1
 until i == 6
turtle.turnLeft() turtle.turnLeft() turtle.back() turtle.place()
turtle.up() turtle.placeDown() turtle.up() turtle.placeDown()
turtle.back() turtle.place() turtle.back() turtle.place() turtle.back() turtle.place()
turtle.down() turtle.placeUp() turtle.down() turtle.placeUp() turtle.back() turtle.place()
 local i = 1
 repeat
  turtle.up() turtle.placeDown()
  i = i + 1
 until i == 6
turtle.forward() turtle.forward() turtle.forward() turtle.forward()
 local i = 1
 repeat
  turtle.back() turtle.place()
  i = i + 1
 until i == 6
turtle.select(4) turtle.down() turtle.down() turtle.down() turtle.down()
 local i = 1
 repeat
  turtle.placeDown() turtle.up()
  i = i + 1
 until i == 8
turtle.placeDown() turtle.turnRight()