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

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

3??????????

4?????????????

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

6????????21?????????????,??????????,????????4??,???????????????100?,?????????????4000???,?????????????????????????? ????????????? ??????????????? 6??????21????????????,???,??????????4?????????,?100????????????,???????????????4000????????????,??????????????????????????????????????????? ??????????????? ????????? 6?????????21??????????,????????,????4???????????????,?100?????????,???4000?????????????,???????????????????????????????? ????? ? ???:??????????