Challenge the sixth level of difficulty: copy puzzle

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Wooden track ball, tested successfully

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Cardboard track ball, rotating elevator successfully tested

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200 wooden track balls and large wave boards in multiple colors were tested successfully

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[History of the Development of Detective Novels] The pioneering history of European detective novels

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unexpected results

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With 660,000 positive reviews, the mystery suspense masterpiece "Knives Out" is full of brain-burnin

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[Major Spoilers] Watch Keigo Higashino’s “Detective Galileo” Series: “Galileo’s Dilemma” in 8 Minute

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Douban's new suspense Korean drama with a score of 8.6, a young lawyer overturns an unproven crime,

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The highly acclaimed South Korean mystery film "The Handmaiden," which has won numerous awards, deli

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[Film] 11 minutes of in-depth interpretation of "The Jackal Project", the live-action version of "We

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[DIY] I Turned The Little Fan Into The Reaper

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[Life] [Drawing] The Daily Life of an Internet Celebrity

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Amazing tool, so creative

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How do you think it can be taken out?

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Topology in life (4)

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