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???????????1??2??20??????

???????????2??3??50??????

???????????3??4??125??????

???????????4??5??500-700

???????????5??6??850-1100

???????????6??7??1350-1500

???????????7??8??2400-2700

???????????8??9??6500-7000

???????????9??10??1.25-1.45??

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