12 + 15 = ?, 28, 27, 25, 26, 23 + 14 = ?, 36, 38, 37, 35, 34 + 25 = ?, 60, 58, 57, 59, 41 + 16 = ?, 57, 58, 56, 55, 22 + 33 = ?, 54, 53, 55, 56, 13 + 24 = ?, 35, 37, 36, 38, 45 + 12 = ?, 58, 56, 55, 57, 31 + 27 = ?, 58, 59, 56, 57, 24 + 13 = ?, 35, 36, 38, 37, 52 + 16 = ?, 67, 68, 69, 66

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