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

????:????????????:???????

?????1??15?? ??,????????????,????????8????8????????????????,??????????????????????????????????????????????????4???,?????,?????????????????????????12?????????????,????????????????0??????????????????????????????????????????

????:???

????????,????????????????????,??4~8?,??,?????????????,???????????8~10?,????????????????,??????0??????

??,??????????,?????,???????????,???????,???

??????:???????

?,??,?????????????????????,????,16?????????,???

????????:???? ???:????? ?????:????????????