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10,000/60,000 pieces done of the world's largest jigsaw puzzle done. : r/Jigsawpuzzles

Strike‐Slip Enables Subduction Initiation Beneath a Failed Rift: New Seismic Constraints From Puysegur Margin, New Zealand - Shuck - 2021 - Tectonics - Wiley Online Library

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Krypt Jigsaw Puzzle: Challenging 654 piece puzzle without a discernible image.

10000 Piece Puzzle

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The World's Largest Puzzle by Dowdle