for x=1,13 do
    for i=1,33 do
        turtle.dig()
        turtle.forward()
    end
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    for i=1,33 do
        turtle.dig()
        turtle.forward()
    end
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
end