Processing

1 - O código forma um retângulo, uma linha, uma elipse e um triângulo.

3 - size (800,800);

noFill();

rect (50,50,30,30);

rect (80,50,30,30);

rect (110,50,30,30);

rect (140,50,30,30);

rect (170,50,30,30);

rect (200,50,30,30);

rect (230,50,30,30);

rect (260,50,30,30);

rect (290,50,30,30);

rect(320,50,30,30);

rect (50,80,30,30);

rect (50,110,30,30);

rect (50,140,30,30);

rect (50,170,30,30);

rect (50,200,30,30);

rect (50,230,30,30);

rect (50,260,30,30);

rect (50,290,30,30);

fill(25,25,25);

rect (50,320,30,30);

noFill();

fill(25,25,25);

rect (80,80,30,30);

noFill();

rect (80,110,30,30);

rect (80,140,30,30);

rect (80,170,30,30);

fill(25,25,25);

rect (80,200,30,30);

rect (80,230,30,30);

rect (80,260,30,30);

rect (80,290,30,30);

rect (80,320,30,30);

noFill();

rect (110,80,30,30);

rect (110,110,30,30);

rect (110,140,30,30);

rect (110,170,30,30);

rect (110,200,30,30);

rect (110,230,30,30);

fill(25,25,25);

rect (110,260,30,30);

noFill();

rect (110,290,30,30);

rect (110,320,30,30);

rect (140,80,30,30);

rect (140,110,30,30);

rect (140,140,30,30);

rect (140,170,30,30);

rect (140,200,30,30);

fill(25,25,25);

rect (140,230,30,30);

noFill();

rect (140,260,30,30);

rect (140,290,30,30);

rect (140,320,30,30);

fill(25,25,25);

rect (170,80,30,30);

noFill();

fill(25,25,25);

rect (170,110,30,30);

noFill();

fill(25,25,25);

rect (170,140,30,30);

noFill();

rect (170,170,30,30);

fill(25,25,25);

rect (170,200,30,30);

noFill();

rect (170,230,30,30);

rect (170,260,30,30);

rect (170,290,30,30);

rect (170,320,30,30);

fill(25,25,25);

rect (200,80,30,30);

noFill();

rect (200,110,30,30);

fill(25,25,25);

rect (200,140,30,30);

noFill();

fill(25,25,25);

rect (200,170,30,30);

noFill();

rect (200,200,30,30);

rect (200,230,30,30);

rect