import ch.aplu.turtle.*;
class serie4
{
  serie4()
{
    Turtle pierre = new Turtle();
for (int x = -150; x < 151; x = x + 150)
    {
      pierre.setPos(x, 0);
      flower(pierre, 20);
    }
  }

void carre(Turtle t, double s) {
for (int i = 0; i < 3; i++)
    {
      t.forward(s);
      t.right(90);
    }
  }


void flower(Turtle t, double s)
 {
    for (int j = 0; j < 6; j++)
    {
      carre(t, s);
      t.right(60);
    }
  }
  public static void main(String[] args)
  {
    new serie4();
  }
}