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

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