????:1?51??????:????????????

2???????

3????????

4?????

5?????

2?????6????,?,???????????????????????? ????????? ??? 2?????6????,?,??????????????????????? ?????????????????? ? 2?6???,??,????? ????? ? 2?6?,???,?????? ? ? 2?????????6?,?????,??? ? ??? 2?6???,?,?????????????? ?????????????????? ???? 2?6???,????,??????? ? ? ??????:????