Notice how Paley constructed Mimi's mouth in the right-most panel. She made the outline with a single stroke that started just to the left of Mimi's left leg, then went up and over to the left, around down and under, moving back to the right and then up, to rejoin itself and terminate. Then she added three strokes for the teeth. Were they downward strokes? And notice the changing eyes, from left to right. Nice.