The Little-Known $1,000,000 Puzzle That's Never Been Solved
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The $100,000 Puzzles That Were NEVER SOLVED
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Can I finally conquer the solid-color Krypt Puzzle?
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The weird world of Crossword Puzzle Jigsaw Puzzles
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Solving a $30,000 Puzzle!! - BEST PUZZLE EVER!!
32:20
The one puzzle I’ve never been able to solve
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The $100,000 Puzzle That Took Two Years to Solve
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Solving The ANCIENT Mayan Sundial Puzzle!!
34:34