background(0,0,128);
fill(255,0,0);
ellipse(150,150,100,100);
ellipse(200,150,100,100);
ellipse(250,150,100,100);
ellipse(300,150,100,100);
ellipse(350,150,100,100);
ellipse(400,150,100,100);
ellipse(200,200,100,100);
ellipse(250,200,100,100);
ellipse(300,200,100,100);
ellipse(350,200,100,100);
ellipse(250,250,100,100);
ellipse(300,250,100,100);