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function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
frameRate(12)
}
function draw() {
noFill();
background(220,205,220);
stroke(255,0,255);
for(y=10; y<500; y+=50)
{
for(x=10; x<700; x+=50)
{
r=random(200)
fill(30,0,random(100));
rect(x, y, 100, r);
}
}
}