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A Ulam spiral of dots with varying widths.svg This is an Ulam spiral of dots with differing widths It's copy of File SpiraleUlam only in SVG format org SpiraleUlam Cortexd org SpiraleUlam Cortexd Original upload log en AxUlamspiralofdotswithvaryingwidths svg bytes Toon no file from free published source using File Upload