??????????? ???????10?

????2??17??????? (?????????????? ??????)???????????17????????,??????,?????????10??

?,17??,??,18?,19???????????,???????????????????20????????21???

??????????????,18?,??,??????????????,?????????????????:?????8??10??

19???,???????????????,??????:??????8???????12??

??,??,????,??(???????????) ??????????:??????????????