????????? ?????? ???????? ???????????? & ?????????????? ????????? ?????? ? ?????? ?????????? ???? ??? ??????? ???????? ??? ??? ?? ??? ?????????? ????? ??? ?????????? ???????.????? ??? ????? ???????, ???? ????? ???????? ?? ??????? ???? ??? ?? ????? ?????? ???? ??? ??? ??????? ?? ???? ? ???????? ????????.Navigate backward to communicate with the cale