?????? ???????? ?????? ??????? ??????? ?????? ???????????? ? ????????????? centered ??????? ?????? WFH ?????? ?????? ???????????? ??? ?????????????????????????????????: ????? ???? a great number of solutions ??????, ????????? ??? ??????????? ????? ????? ??????????? ??????????? ???????? a ????????? ?????? ??????? ??? a ?????????? ?????? ??????????