private String makeKingPilesMove(CardGame game) {
        switch (moveTypeTo) {

            case TO_ACE_PILES:
                return game.moveCardOntoAceFromKing(indexFrom, indexTo);

            case TO_KING_PILES:
                return "Can only move to a pile of the same suit";

            case TO_HAND:
                return "Cannot move to hand.";

        }
        return "ERROR";

    }