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A 3D render of concentric circles in green and purple, numbered from 1 to 8, on a reflective surface against a gradient background.

A 3D render of concentric circles in green and purple, numbered from 1 to 8, on a reflective surface against a gradient background.

a row of seven circles with radii of 1, 2, 3, 4, 5, 6, and 7 See more