pandora

turtle.refuel()
turtle.select(2)

local frontFinished = 0

function buildFront(width, height)

  local i = 0
  local j = 0

  if frontFinished == 0 then

    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()

    while i < height/2 do

      while j < width do
        turtle.place()
        turtle.turnLeft()
        turtle.forward()
        turtle.turnRight()
        j = j + 1
        print("placed block ", j+1)
      end

      turtle.up()
      turtle.turnRight()
      turtle.forward()
      turtle.turnLeft()

      while j > 0 do
        turtle.place()
        turtle.turnRight()
        turtle.forward()
        turtle.turnLeft()
        j = j - 1
      end
      i = i + 1
    end
    frontFinished = 1
  end
end

buildFront(10, 6)