background(0,0,0);
point(50,50);
point(50,100);
point(50,150);
point(50,200);
point(50,250);
point(50,300);
point(50,350);
point(50,400);
point(50,450);
point(100,50);
point(100,100);
point(100,150);
point(100,200);
point(100,250);
point(100,300);
point(100,350);
point(100,400);
point(100,450);
point(150,50);
point(150,100);
point(150,150);
point(150,200);
point(150,250);
point(150,300);
point(150,350);
point(150,400);
point(150,450);
line(450,400,350,300);