2 + 7 =, 6, 7, 9, 10, 5 + 9 =, 12, 14, 16, 19, 1 + 3 =, 2, 3, 4, 7, 16 + 4 =, 15, 17, 18, 20, 2 + 12 =, 5, 12, 14, 18, 6 + 13 =, 15, 17, 19, 20, 3 + 5 =, 6, 7, 8, 10, 9 + 6 =, 11, 15, 16, 18, 4 + 0 =, 3, 4, 7, 10, 2 + 4 =, 2, 6, 8, 11, 7 + 3 =, 5, 9, 10, 16, 1 + 6 =, 4, 6, 7, 8, 9 + 2 =, 4, 11, 12, 15, 2 + 8 =, 7, 9, 10, 13, 3 + 9 =, 7, 12, 14, 16.

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