13 + (3)2 = 22
22 + (4)2 = 38.
(7)3 = 343
(1)3 = 1
(3)3 = 27
Similarly, (5)3 = 125.
and (28 + 12) = (10 + 30)
Therefore (29 + 16) = (15 + 30).
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