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void setup(){
size(200,200);
}
void draw(){
background(255,255,255);
fill(255,230,0);
ellipse(mouseX,mouseY,width/1.666,height/1.666);
fill(0);
ellipse(mouseX+20,mouseY-20,width/20,height/20);
ellipse(mouseX-20,mouseY-20,width/20,height/20);
ellipse(mouseX,mouseY+20,width/10,height/10);
}