plot %7B%7B1%2C5%7D%2C%7B2%2C2.5%7D%2C%7B3%2C1.25%7D%2C%7B4%2C0.625%7D%2C%7B5%2C0.313%7D%2C%7B6%2C0.156%7D%2C%7B7%2C0.078%7D%7D

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