0, 1 + ? = 1, 5, 2 + ? = 7, 8, ? + 5 = 13, 9, ? + 3 = 12, 4, 6 + ? = 10, 2, 2 + ? = 4, 7, ? + 10 = 17, 16, 2 + ? = 18, 10, 4 + ? = 14, 1, ? + 8 = 9, 11, ? + 4 = 15, 3, ? + 3 = 6, 6, 3 + ? = 9, 12, 6 + ? = 18, 14, ? + 4 = 18

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