If anyone of your kin falls into difficulty and sells a piece of property, then the next of kin shall come and redeem what the relative has sold. If the person has no one to redeem it, but then prospers and finds sufficient means to do so, the years since its sale shall be computed and the difference shall be refunded to the person to whom it was sold, and the property shall be returned. But if there are not sufficient means to recover it, what was sold shall remain with the purchaser until...