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![[THAI] สอน Leetcode 2121. Intervals Between Identical Elements](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F36-l0EKlkKg%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLCZ36mgrCAu63adNc9zYOEq7qgYFA&w=256&q=75)
