24 ????? 2019 /????? ????? ??????? ???????/ ???? ??????? ?????? ?? 23 ????? ?????? ??? ????? ?????? ?????? 19 ????? 13? ??? ????? ??? ?????? ??????? ???? ????? 3×3 ???? ???? ?? ????? ???????? ???????? ????? ??????? ???????? ?????? ?? ??????? ??? ???? ??? ?????? ??? ????? ?? ??? 1896.