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function setup() {
createCanvas(windowWidth * 0.4, windowHeight);
background(0, 0, 0);
frameRate(10);
}
function draw() {
stroke(random(20, 255), random(20, 255), random(20, 255));
strokeWeight(random(0, 50));
fill(random(100, 255), random(100, 255), random(100, 255));
rect(random(0, 1000), 100, 100, random(0, 1000));
}