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05 / 20Big Think≈ livello approssimativoA20:42–0:47
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11 / 20TED≈ livello approssimativoA28:36–8:42
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12 / 20Sprouts≈ livello approssimativoB22:52–2:56
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13 / 20Big Think≈ livello approssimativoC113:05–13:14
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