The image shows an open book with a drawing of a circle on it.
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The image shows an open book with a drawing of a circle on it. The book is open to a page with text and a circular diagram. The diagram is composed of several concentric circles, each with a different color and shape. The circles are arranged in a symmetrical pattern, with the largest circle in the center and the smaller circles radiating outward. The text on the page is written in black ink and is surrounded by a thin black border.
