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let circleW=80
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
circleX=width/2
circleY=height/2
}
function draw() {
ellipse(circleX,circleY,circleW,circleW);
ellipse(circleX-150,circleY,circleW,circleW);
ellipse(circleX+150,circleY,circleW,circleW)
}