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

2???????????

3???????????

4?????????

5???????

?????12????????????12???? (????????? ????????)????????????????12????????????,??????,12????,??????

???????????,???????12??????????????????,??,13??????????????5?????????????????????????,???????????1????;?,??;????????????????????,?????????

??????,??,12??13??3??????,??????6?7????,??????????????????????????3~5?,???-5~-3??

????????????,??,?,?????,?????,?????;????????????,??,????????????

???????????,??????,??????,?,?????????,13????,?????????????,?????;??,???????????(????????) ????:???????????