????:1????????:??????????

2???????

3??????

4???????

5????????????

??????2??????????2????? ??,????????????2????????????1????????????????????????,??????????1?????????31???????????????????,???,??????????????????????????19????

???????:??????????????????????????????????,??????????????????1?????????????31?????,?,?????????????

????????????,?2??????????1?????,?????????,?????

??????,?1????31?,????,?????????,??

??????????,??????????,??????????,??

??????????,???????2??1??????????????????????????????????,??????????,??

???????????????????:??