2 + 9 =, 13, 10, 9, 11, 12 + 8 =, 13, 17, 19, 20, 12 + 4 =, 15, 16, 17, 18, 5 + 5 =, 4, 10, 11, 14, 4 + 10 =, 14, 15, 17, 18, 11 + 2 =, 5, 12, 13, 16, 13 + 2 - 1 =, 11, 13, 15, 14, 2 + 10 + 4 =, 10, 11, 16, 15, 10 + 9 - 3 =, 12, 16, 18, 19, 4 + 11 - 7 =, 10, 9, 8, 15

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