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![I guess 1[38]](/_next/image?url=https%3A%2F%2Fcdn2.scratch.mit.edu%2Fget_image%2Fproject%2F1319428238_480x360.png&w=3840&q=75)
![Perfect numbers band 3 [Complete]](/_next/image?url=https%3A%2F%2Fcdn2.scratch.mit.edu%2Fget_image%2Fproject%2F1314490530_480x360.png&w=3840&q=75)
