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

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