#include "library.h"

void draw_special_line(const double len)
{ if (len <= 1.0)
    draw_distance(len);
  else
  { draw_special_line(len / 3);
    turn_left_by_degrees(90);
    draw_special_line(len / 3);
    turn_right_by_degrees(90);
    draw_special_line(len / 3);
    turn_right_by_degrees(90);
    draw_special_line(len / 3);
    turn_left_by_degrees(90);
    draw_special_line(len / 3); } }

void main()
{ make_window(600, 600);
  set_pen_color(color::red);
  move_to(200, 500);
  draw_special_line(400);
  turn_right_by_degrees(120);
  draw_special_line(400);
  turn_right_by_degrees(120);
  draw_special_line(400);
  turn_right_by_degrees(120); }