(????)?????? ??????????? 1?????????21?????,???,???,??? ? ???? 1??????21?,??????????????,??????,???????????????? ?? ??????????? 1????21???,??????,?,??????? ? ? 1???21????????????????,???????????,??????,????? ????? ???? 1?21?????,????????????,???????????,??????????????? ? ?? 1????21?????,???,???????????,????????????? ??????????????? ???? 1?21???????????,???????????????????,?,????? ??????????? ?????? ????????????:?????