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