??? ??? ?? ??? ???? ???, ?? ???? ??? ??? ????. ??? ?? ??? ?? ???? ??? ??? ?? ????? ????? ??? ??? ?? ?? ???? ? ????. Some on line casinos claim increased payback percentages for slot machine game titles, and a few publish payout proportion audits on their own Internet websites. ? ????? ???? ??????? ???? ??? ? ??? ???? ?? ??? ??? ????. ??? ??? ???