???????,??????????????????,???????????1??10
?????????????????? ????1-10????????
????1??2??18??????
????2??3??26??????
????3??4??64??????
????4??5??170~210??????
????5??6??360~450????
????6??7??650~700????
????7??8??1150~1250????
????8??9??1850~2050??
????9??10??2650~2800??
??????????????磬?????ο??????д?????????