????????????????????????????????;??ι???????10?????????α?????????5??????????????2?????????
????
?????????????????????????????;??ι???????12?????????α?????????25??????????????5?????????
???
????????????????????????????????;??ι???????15?????????α?????????25??????????????5?????????
???????????????????????????????????????????????????;??ι???????5???????????α?????????10??????????????0?????????
????
????????????????????????????????;??ι???????15?????????α?????????20??????????????5?????????