public class Program{

public static void drawCircle(Turtle t, double radius, double x, double y, String color) {
   t.penColor(color);
   t.up(); t.setPosition(x , y + radius); t.down();
		for (int i = 0; i < 360; i++) {
			t.forward(radius * 2 * Math.PI / 360);
			t.right(1);
       }
}
public static void drawSquare(Turtle t, double size, double x, double y, double rotation, String color) {
    t.penColor(color);
	  t.up();
    t.setPosition(x - size/2, y + size/2);
    rotation = rotation % 90;
    double radius = Math.sqrt(2) * size / 2;
    if (rotation > 0 ) t.left(45);
	  for (int i = 0; i < rotation; i++) {
			t.forward(radius * 2 * Math.PI / 360);
			t.right(1);
       }
	  t.down();
    if (rotation > 0) t.right(45);
    int turn = 90;
    t.forward( size ); t.right( turn );
    t.forward( size ); t.right( turn );
    t.forward( size ); t.right( turn );
    t.forward( size ); t.right( turn );
    t.left( rotation );
}
public static void drawTriangle(Turtle t, double size, double x, double y, double rotation, String color) {
    t.penColor(color);
    t.up(); t.setPosition(x - size/2, y + Math.sqrt(3)*size/6);
    rotation = rotation % 120;
    double radius = size / Math.sqrt(3);
    if (rotation > 0) t.left(60);
    for (int i = 0; i < rotation; i++) {
      t.forward(radius*2*Math.PI / 360); t.right(1);
    }
    t.down(); if (rotation > 0) t.right(60); int turn = 120;
    t.forward(size); t.right(turn);
    t.forward(size); t.right(turn);
    t.forward(size); t.right(turn);
    t.left( rotation );
}
  public static void main(String[] args) {

    Turtle t = new Turtle();
    t.hide();
    t.speed(0);
    drawTriangle(t,60.,-120.,-0.000318430775256,270.,"red");
    drawTriangle(t,60.,0.000159215387601,-120.,180.,"red");
    drawTriangle(t,60.,120.,0.,90.,"red");
    drawTriangle(t,60.,0.000159215387601,120.,0.,"red");
    drawTriangle(t,50.,-99.9999999996,-0.00026535897938,270.,"red");
    drawTriangle(t,50.,0.000132679489668,-99.9999999999,180.,"red");
    drawTriangle(t,50.,100.,0.,90.,"red");
    drawTriangle(t,50.,0.000132679489668,99.9999999999,0.,"red");
    drawTriangle(t,40.,-79.9999999997,-0.000212287183504,270.,"red");
    drawTriangle(t,40.,0.000106143591734,-79.9999999999,180.,"red");
    drawTriangle(t,40.,80.,0.,90.,"red");
    drawTriangle(t,40.,0.000106143591734,79.9999999999,0.,"red");
    drawTriangle(t,30.,-59.9999999998,-0.000159215387628,270.,"red");
    drawTriangle(t,30.,7.96076938007e-05,-59.9999999999,180.,"red");
    drawTriangle(t,30.,60.,0.,90.,"red");
    drawTriangle(t,30.,7.96076938007e-05,59.9999999999,0.,"red");
    drawTriangle(t,20.,-39.9999999999,-0.000106143591752,270.,"red");
    drawTriangle(t,20.,5.30717958671e-05,-40.,180.,"red");
    drawTriangle(t,20.,40.,0.,90.,"red");
    drawTriangle(t,20.,5.30717958671e-05,40.,0.,"red");
    drawTriangle(t,10.,-19.9999999999,-5.30717958759e-05,270.,"red");
    drawTriangle(t,10.,2.65358979336e-05,-20.,180.,"red");
    drawTriangle(t,10.,20.,0.,90.,"red");
    drawTriangle(t,10.,2.65358979336e-05,20.,0.,"red");
  }

}
