?????????????? ?????????

??2????12??????? ???????,?,???????????????????????????????4~8???,??10?;??????????????????????6~8????????,???10~11?????????

???????,????,????4~5?????????,??????????????????????????????????????4~6?,????8?,??????????????????????????8~10????????????????????????????6~7?????????

??,???????,???????????,?????????;???????????????????????????????,?????????

????,???????????,??;????????,????????????????;????????????????,????