?? ???????????
????:1????????????:???????????
2???????????
3???????
4????????
5?????????
12???????????2?,??????? ? ????? 12????????2?????,????????? ? ???????? 12??2?,????????? ? ??? 12?2?????,????????????? ??? ? 12?2?,??????? ????? ??? 12?????2?,????? ???????? ? 12?2?,????????? ? ???????? 12?2?????,????? ? ? ????:??