The piles of four are re-used for each change, the number of piles of four is not used in calculation; it's the "remainders" that are used.
The number of piles of four is not used in calculation; it's the "remainders" that are used. The piles of four are re-used for each change.
The piles of four are re-used for each change. The number of piles of four is not used in calculation; it's the "remainders" that are used.
The piles of four are re-used for each change. The number of piles of four is not used in calculation; it's the "remainders" that are used.