???????,???????????????,???????????????????
???????????1-10???????????????????
???????????1??2??21??????
???????????2??3??50??????
???????????3??4??120??????
???????????4??5??500-650??
???????????5??6??850-950??
???????????6??7??1300-1450??
???????????7??8??2300-2600??
???????????8??9??6400-6500??
???????????9??10??12000-13000??
??????????????????1-10????????????????????