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function setup() {
createCanvas(windowWidth, windowHeight);
background(255);
}
function draw() {
strokeWeight(5)
line(20, 10, 375, 10);
line(20, 45, 375, 45);
line(20, 80, 375, 80);
line(20, 115, 375, 115);
line(20, 150, 375, 150);
line(20, 185, 375, 185);
line(20, 220, 375, 220);
strokeWeight(0);
fill(255);
rect(75, 30, 180, 180);
}