???????,??????????????,??????????????????
?????????????????????????????????
???????????1??2??25??????
???????????2??3??50??????
???????????3??4??170??????
???????????4??5??500-650
???????????5??6??950-1150
???????????6??7??1400-1700
???????????7??8??2600-2850
???????????8??9??6700-7000
???????????9??10??1.3-1.45??
?????????????????ο???????????????????????????