Figure 1 is strictly for fun. I am ever testing the limits of my IPhone to capture abstractions in odd places and this afternoon I took this black and white photograph of the water stains from a glass a napkin. It is really amazing how up close you can get with the IPhone. I like the ridges and the valleys of the image and I like the multiple but not concentric circles. These appear like erratic orbits. Try counting the number of circles and tracing them. There are four.