smooth();
noStroke();
ellipseMode(RADIUS);
fill(126);
ellipse(33, 33, 60, 60); // Gray ellipse
fill(255);
ellipseMode(CORNER);
ellipse(33, 33, 60, 60); // White ellipse
fill(0);
ellipseMode(CORNERS);
ellipse(33, 33, 60, 60); // Black ellipse