private double primiera(ICard card) {
		if (card.getNumber() == 7) {
			if (Rules.existPresa(card, table.cardsOnTable())) {
				return 0.3;
			}
		}
		for (ICard tcard : table.cardsOnTable()) {
			// c'e' un 7 tra le carte in gioco sul tavolo
			if (tcard.getNumber() == 7) {
				List<List<ICard>> prese = Rules.getPrese(card,
						table.cardsOnTable());
				for (List<ICard> presa : prese) {
					if(presa.contains(tcard))
						return 0.3;
				}
			}
		}
		return 0.0;
	}