??? ???????? ?? ? ?10 ????? ??? ??? ???? 1? ??? ????????? ?? ???GC(?71·7069??)?? ??? 1????? ?? 5?? ?? 2?? 3??? 68?? ???? ??? ??????? ??? ??? ?? ???? ?? ???? ???? ? 11?? ?? 21?? ???. ?? ??(??) ? ???? 4?? ?? 3??.

10???? ??? ???? 12?(?5)? 15??(?4)?? ??? ??? ??? 2???? ???.

???? ???? 1?(?4)? 2??(?4)?? ????? ??? ????? 3?(?4)? 4??(?5)?? ????? ?? ???? 8??(?4)?? ??? ??? 3???? ??? ????.?? ???? ????? ??? ???? ????? ???? ???? 29?? ????.