Studies Show That Only People Aged 30+ Can Pass These "Jigsaw" Sudoku Puzzles — Can You?

The article claims that only people aged 30+ can solve these jigsaw sudoku puzzles, but it doesn't explain why age 30 specifically or what makes this age group naturally better at pattern recognition. The puzzle examples shown seem like they'd be equally difficult for anyone with a good grasp of logical deduction, regardless of age. What's the actual cognitive difference that makes this age group more suited to solving these?

The article makes a bold claim but doesn't provide any supporting dat

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   • Topic: A news article titled "Studies Show That Only People Aged 30+ Can Pass These 'Jigsaw' Sudoku Puzzles —