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<?php $matrix = [range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9), range(0, 9)]; print_r($matrix);

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40.54 ms | 402 KiB | 5 Q