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We find that $dS/dy = 11335 \\pm 1188$ in 0-10% Pb-Pb, $dS/dy = 135.7 \\pm 17.9$ in high-multiplicity pp, and $dS/dy = 37.8 \\pm 3.7$ in minimum bias pp collisions and compare the corresponding entropy per charged particle $(dS/dy)/(dN_{\\rm ch}/dy)$ to predictions of statistical models. 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