Mega Evolution’s Ascended Heroes ETBs have been bouncing around the triple-digit mark since launch, but Amazon sellers seem determined to keep pushing down prices on ETBs to keep an edge over competitors on other storefronts. As of March 3, the Pokémon TCG Mega Evolution Ascended Heroes Elite Trainer Box is listed for $116.49 at Amazon. That’s a small but real saving vs. Walmart’s current $118 price.
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，这一点在同城约会中也有详细论述
Fixing the semicircle in advance ignores configurations where the points do cluster together, just not around the chosen anchor. The real question is whether some point is a valid anchor. That is a much more generous condition.
Andrew Cunningham