???????,???????????????,???????????????????
???????????1-10???????????????????
???????????1??2??20??????
???????????2??3??48??????
???????????3??4??100??????
???????????4??5??450-550??
???????????5??6??850-1050??
???????????6??7??1300-1450??
???????????7??8??2300-2600??
???????????8??9??6300-6500??
???????????9??10??11000-13000??
??????????????????1-10????????????????????