5.3. In three piles, there are 22, 14, and 12 nuts. It is required to equalize the number of nuts in all piles by making three moves, while adhering to the following condition: from one pile to another, only as many nuts can be moved as there are in the pile to which the nuts are being moved.

$$
\text { (4-6 grades) }
$$
5.3. Move 14 nuts from the first pile to the second. After this, the piles will contain 8, 28, and 12 nuts, respectively. Next, move 12 nuts from the second pile to the third. Now the piles will contain 8, 16, and 24 nuts, respectively. Finally, move 8 nuts from the third pile to the first, after which each of the three piles will contain 16 nuts.