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function setup() {
createCanvas(windowWidth, windowHeight);
}
let x=0;
let y=4;
let t=0;
function draw() {
background (255, 173, 217);
if(x>windowWidth){
x=0;
}
if(y>windowHeight){
y=0;
}
circle (x,y,22);
x=x+4
y=y+4
}