2, ___________, 6, 4, 0, 1, 5, 8, ___________, 12, 10, 11, 9, 5, 0, ___________, 4, 2, 1, 6, 3, 14, ___________, 18, 6, 16, 20, 5, 16, 18, __________, 19, 2, 20, 10, 24 ,_______ ,28, 30, 26, 30 , _______ ,34, 31, 32, 36, ________ ,40, 37, 38.

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