line(200,50,100,200);
line(100,200,100,250);
line(100,250,150,250);
line(150,300,200,300);
line(150,250,150,300);
line(200,50,300,50);
line(300,50,400,200);
line(400,200,400,250);
line(400,250,350,250);
line(350,300,300,300);
line(350,250,350,300);
line(300,350,300,300);
line(200,350,200,300);
line(225,350,200,350);
line(275,350,300,350);
line(225,350,225,400);
line(275,350,275,400);
line(225,400,250,450);
line(275,400,250,450);
line(100,200,400,200);
line(150,200,250,50);
line(250,200,250,50);
line(350,200,250,50);